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The DV Station by Canopus is often a turnkey DV editing system, according to a portable PC from Mitac along with the Canopus DV Raptor capture and editing card. It comes fully pre-loaded with a good collection of both hardware and software, which is literally wanting to edit straight out of the box.
Parallel, serial, and USB ports
Raptor Video video capture, batch capture, and seamless 2GB capture
Crystal Graphics 3D Impact! 3D flying logo animations
All in this comes inside a package that may be about the identical size for an iMac, and has now much a similar philosophy the monitor as well as the PC unit are included in a single desktop unit. Think on this as the PC version in the iMac and iMovie.
I tested the DV Station by editing a standard event video project upon it. The project was obviously a high school graduation, and was comprised of about six minutes of opening titles, lead-in shots, and interviews with students, and then a long two-camera shot on the graduation ceremony, and closing with increased shots with the students and families following ceremony. The conclusion is really a credit roll consisting from the names from the graduating seniors.
I was surprised about the speed and simplicity on the DV Station, when compared to FAST Video Machine system I normally use. A whole rack of decks, an entire tower computer, a 19 monitor plus an NTSC monitor were replaced by 1 desktop box and my TRV-900 camcorder. Connections have gotten a great deal simpler, too. Instead of the cable for video, two for audio, and another for deck control, everything was completed over the IEEE 1394 Firewire cable. The Raptor card does take a different cable to allow real time hardware-supported video preview it uses your camcorder s DV codec to deliver an excellent quality preview on your desktop monitor. However, this feature will not be required, and I found the software-only preview being quite appropriate for editing purposes.
The Raptor Navi utility could be the logging tool with automatic scene detection. This proved handy and quite accurate. Running via a tape at standard speed ended in only two mistakes with the program it missed one scene transition, and located a transition that wasn t there. These were quickly edited out by hand as well as the resulting playlist was imported into Raptor Video for capture.
Raptor Video may be the built-in capture tool, but I were required to do a little changing to make it work. You can manually capture, or batch capture a playlist, or seamless capture a good file that exceeds Windows s 2GB file size limit. However, you are able to t combine batch capture and seamless capture within the same operation, so I were required to edit my long files out on the playlist and get back on do a seamless capture with them later.
Raptor Edit is usually the core application in the DV Station. It s an elementary editing tool, and I found it to get very fast and intuitive. However, I do feel it's got some serious limitations for that professional editor. Most vexing if you ask me was deficiency of media management and identification tools. For example, clips inside timeline aren t labeled with picons, time code values, or filenames. There is often a Film track that shows picons, but the often usually do not line up while using actual clips containing the fabric, and proved pretty useless in identifying a specific clip.
The timeline can be very sticky. Once a clip could there be, it might t be dragged off and set back within the project bin. At least, it didn t benefit me. Other users with the very similar Rex Edit software say they are able to do this. However, a clip might be copied towards the bin and deleted on the timeline by 50 percent separate operations. Another aspect on the editor s sticky nature is the fact clips can t be slid apart, setting up a hole dropping something else into. Clips is usually wedged between existing material, but the possible lack of labels often taught me to be wonder whether the clip choose to go where I intended.
Split edits, the spot that the audio transitions at the same time either before or following your video, are certainly not possible without considerable working around. If you had to make split edits often, you could utilize Adobe Premiere that is included as part with the package.
Dragging the cursor off of the screen to reposition the timeline proved frustrating; once it stopped screen, the timeline scrolled simply too fast capture the position you desire. A better strategy is to zoom the size out, position the cursor where you desire to work, then zoom in. Or you may scroll rapidly which has a drag bar on the bottom in the window.
The separate function, that enables a longer clip to become chopped up into smaller segments, worked instantaneously. However, the modern short clips can t be renamed; each will keep the name of these parent clip. Again, this managed to get difficult to tell what I was doing as I rearranged material for the timeline. Another way to make this happen that will allow renaming would be to make a file from your new clip. This needs a bit longer, but doesn t eat much disk space since reference file just pointer to just one or more files.
The audio editing tools let the placement of control nodes and rubber band adjustment of clip volume. There may also be two additional stereo sound files for music and voice-over material. There is not any audio waveform display, and I didn t find in any manner to modify the left and right channels separately.
There s no provision in Raptor Edit for adding markers on the timeline; I d like to have this function to create editing for the beat of the music track easier. However, you'll be able to work around this in some degree by using temporary nodes around the audio level track as markers.
Transitions and titles were well-incorporated into the package, and I was impressed at the rendering speed. A one-second dissolve renders inside two or three seconds. I didn t feel whatsoever slowed down because of the lack of live response of this type. Titles took somewhat longer to render, maybe thirty or forty seconds for the ten second title. However, the lack of actual time display was created up for by without having to go to a CG application to generate titles. Titles could possibly have their own transitions and/or motions applied, and so are keyframeable. Soft and hard drop shadows of countless types, in addition to embossing to get a 3D look for the titles are included inside titling tools. Be careful and keep title color values within NTSC legal limits. I found it necessary, one example is, to sculpt some fine print white text even below the 235, 235, 235 white generally considered safe for NTSC video to avoid it from blooming.
I found Raptor Edit for being generally stable, but I did can get it to crash more than once. A quick shutdown and restart from the program fixed it each time, without loss or corruption on the ongoing project. At some time, the device s video drive was ready 98% full. At this point, Raptor Edit appeared to start introducing spurious changes to the project, including losing audio nodes and rendered transitions. Most users suggest keeping the drives a lot less than 80 90% full in order to avoid problems genuinely. Even so, the project played in the very full drives without having dropped frames in 59 minutes of video.
I did notice some minor problems apparently caused with the video driver for that LCD display screen. On occasion, icons or regions of windows for instance, the minimize/maximize buttons inside upper right hand corner would disappear or go black. The controls remained functional, plus the image would reappear in the event the window was minimized and restored. Hopefully Mitac will to produce driver update to repair this annoyance.
I ventured to the SmartSound audio package to make some music. This can be a great tool, and is usually made a lot better by buying of additional SmartSound music CDs. You don t must know a thing about music, or notes, or chords to work with this program. The way it works is usually to string together several different short elements in a soundtrack of whatever length you specify. You can try this very quickly throughout the use with the Maestro function, which asks a series of questions to build an elementary composition inside style and length you desire. You may then rearrange, add, or delete elements they sound fine in almost any order you placed em, and apply effects including echo or flange into a or all from the composition. When you've everything precisely the way you would like it, then you definitely export the composition as file, which could be brought for your video project. This would have been a great deal of fun, and produced vocals nearly as good as my personal favorite buyout libraries actually, Music Bakery produces a lot in the music element CDs for SmartSound. If you don t have SmartSound inside your arsenal, you lack a vital tool as part of your arsenal. Get it!
The Adorage transition package has a couple of hundred editable transitions, which is quite impressive. The transitions include alpha channel effects and distortions like ripples. You can also add smoke and fog. Some with the transitions use 3D models to wipe from a single video clip towards the next, like a 747 jet flying through the screen. Fire and explosions are included within the mix, too. If that, in addition to the included SoftXplode transitions, aren t enough for you personally, Boris FX could be added on the package. Oh, and you also ll would like to download and install the free Adobe Acrobat reader so you'll be able to look at help apply for Adorage even though you might not want it; it s a really intuitive package and works straight from within Raptor Edit like every other transition.
I can t speak very highly on the 3D Impact! animation package. It proved forget about stable inside DV Station personal computer had inside my old P133. However, it can do give you some fundamental tools for creating 3D titles and flying logos. The image quality is superb, along with the metallic textures are the best available. The version of 3D Impact! included while using DV Station bundle lacks some from the features in the full 3D Impact! Pro version, for instance some beveling options, controllable lighting, plus the use of images as surface materials. If you re set on animation, you ll desire to move on to something more powerful, flexible, and stable, like Animation Master or maybe LightWave 3D.
Adobe Premiere is becoming bundled with everything currently. It s lots more powerful versus the Raptor Edit application, and lots of Canopus users do their basic cuts and dissolves editing in Raptor Edit and move the project into Premiere for complex multi-layering work. I found Premiere being less intuitive than Raptor Edit, plus a bit less stable. In addition, work designed in Premiere suffers a little loss of visual quality. This is because Premiere translates from DV s YUV color space to RGB, and to come back. Also, rendering in Premiere is considerably slower in comparison to Raptor Edit. I didn t make an effort to scale Premiere s learning curve due to this project, but stuck basically to Raptor Edit. If you prefer Edit DV or Media Studio Pro, these applications can even work while using DV Raptor, but usually are not included from the DV Station bundle.
Most systems require addition of various extra software applications for being considered a total video studio in the box. The DV Station does well the reason is. The only things I would need to add are apaint program, including Photoshop or JASC s Paintshop Pro, plus a sound editing program like Sound Forge or Cool Edit, but that s about all.
So why not consider long projects? My sample job was approximately an hour and 45 minutes in size, with approximately four hours of source video. The DV Station s 26 GB video drive holds about 2 hours of cloth. In practice, it s a bit under that, as you should leave a safety margin as said before, plus leave room for audio tracks and Raptor Edit s or Premiere s temporary files of rendered material. So for too long projects, some planning is necessary. I split the work into three parts, with still images because the bridge with shod and non-shod. At the end of any segment, I would transition towards the still image for approximately 10 seconds. The segment was recorded by playing back the timeline from Raptor Edit to a Sony DHR-1000 VCR. Then the timeline as well as the disk were cleared and also a new project was begun. This next segment was started with all the same graphic that ended the first sort one. This meant the DHR-1000 didn t have being frame accurate when selecting up the next segment. That s important, because whether or not your recording deck is accurate, the Raptor Edit software doesn t recognize or control its positioning within the same way as increasing numbers of expensive systems. Raptor Edit includes a sync record feature, which always starts playback through the start with the project. The manual states the recorder can even be rewound on the start on the tape, but fortunately that isn t true. The recorder is supported a few frames from wherever it can be paused, and DV Station tries to place the start from the timeline during this point for the tape.
All this sounds rather haphazard, nevertheless it wasn t actually that bad used. What matters is results, which s what I got.
How hard could it have been, really? Well, I met my client s deadline, and without any more late nights than I would have likely spent using my more familiar system. That sort of productivity speaks for itself. However, if I was planning more long projects, I would consider a system with additional video storage, such because Raptor-based turnkey tower systems sold by Core Microsystems.
What about image quality? I was extremely pleased using the quality with the native DV editing provided because of the DV Station. The final edit master looked identical to your original footage, as advertised. Titles were crisp and clean, and keyed approximately video or stills.
In addition, Canopus offers free telephone tech support team during normal business hours, along with a call back or fax-based support selection for off-hours. When I referred to as Canopus support line the phone number is right there around the desktop image!, the email went through in a lot less than five minutes, as well as the support person around the other end was friendly and knowledgeable. Canopus now offers free software upgrades because of their products, readily available for download at their website. Both bug fixes and other functionality have been furnished by past upgrades. Unlike some businesses that abandon a program after six months or maybe a year, Canopus has evolved a good name for supporting many, even with newer designs have become available.
Don t expect to do a whole lot of hardware upgrades using the DV Station, however. Canopus sells this turnkey system like a sealed box. If you open it nearly upgrade the processor, memory, or hard disk drive, Canopus specifically states how the warranty won t cover such modifications. The DV Station helps make the most sense for individuals who want the protection of an individual, unified, turnkey system.
But in the event you d rather invest in a system and upgrade it one piece at the same time, then purchase the bare Raptor board and set it in the PC box. You will get more options and power, nevertheless, you also get more responsibility.
Is the DV Station an excellent value? I d say, definitely yes in absolute dollar terms. The Mitac laptop alone would cost almost as much because the suggested shop price 2, 995 with the fully loaded DV Station. Kind of like buying a notebook and getting a movie editing system included for free. In terms of usefulness, it ll rely on your intentions. This just isn't as portable as being a battery operated laptop. But it truly is certainly more portable when compared to a standard tower computer.
If you desire to edit event video as the whole time business, you could be better off using a system that provides greater storage for programs and video data, together with one that's some actual time features. Canopus has such systems available DV Rex RT, or R3 turnkey system, but they also cost a great deal more as opposed to DV Station.
The one that buys a DV Station are going to be one who would like to get their own feet wet in video editing without getting into a whole lot of configuration hassles that has a bare card. Or possibly a videographer who's to watch this, which is willing to accept some storage and rendering limitations to maintain costs down. Another ideal buyer will be a school that desires to put together a classroom of inexpensive editing systems for just a media class the DV Station is particularly good because of this application having its built-in Ethernet connectivity; a complete slew of which could be attached to a classroom server. For anyone looking to get a low-cost, top quality native DV editing solution, the Canopus DV Station needs to be on their short list.
Doug Graham has become making industrial and event videos for eight years. Doug may be reached about the Video University Forums
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The Kemper Profiler was designed being a complete solution for the guitar playing needs. You can use it exactly like you would an everyday amplifier, or you can use it as being a multi-effects unit, or even because the front end for ones guitar-based studio.
Nearly all digital guitar amps on the market today offer the identical features-simulations of classic and modern guitar amplifiers and stomp boxes, usually by incorporating digital and studio effects added too for good measure. The Kemper Profiler doesnt simply include digital versions of guitar amps, but lets you create a profile of your family guitar amp to utilize inside the Kemper Profiler. You can also load profiles of other guitarists amps for your Kemper Profiler.
If you need a more technical description: the Kemper Profiler analyzes the sonic characteristics of the reference amplifier. This process allows it to faithfully recreate the characteristic sound of practically any guitar amp, and adopt the behavior and interaction with the components from the analyzed amplifier.
The Kemper Profiler doesnt just capture the sound of a guitar amp alone; it is possible to also capture the sound in the cab along with the mics such as the mic distance and angle. You can store 1000 amp profiles altogether and it incorporates 30 different stompbox effects and also a master effects section with master delay and reverb.
Consistent from rehearsal, to studio, to stage.
Call or click to pick inside the PowerRack rackmount amp today!
of respondents would recommend this to your friend.
Experienced 3, Professional musician 3
the product came which has a screw loose, I am a worldwide customer and unfortunately was required to take the decision and keep it and consider the risk that loose screw turns into a bigger problem.
Bottom Line No, I would not recommend this into a friend
Very top quality piece of professional equipment. This may be the real deal for superior tone and response. i'd been previously while using Boss GT series equipment and could get some good realistic tones, however the feel and response just wasnt there. The Kemper resolved all of the. Tone is totally beautiful as well as the feel and fact is just like an amp. simply amazing if you ask me. I profiled my Fargen Olde 800 and it can be absolutely awesome. Then with all the ability to download vintage speaker cabinets with every mic possible opens the range and possibilities. This unit could be a serious black hole of searching and tweaking with the perfect tone. My wife may never see me again!
I bought a flight case for it also it travels well. Have used it live direct towards the board plus it performed and sounds awesome. My monitor mix sounded similar to my amp, or even better. Ended up obtaining the FCB1010 pedal board with all the Uno chip. Pedal switching is effective, however the expression pedals rather suck. Get a premium quality expression pedal.
Bottom Line Yes, I would recommend this into a friend
Ive had the KPA to get a couple months now, intensively testing different amp models, effects, recording uses, etc., so far I cannot complain for much! The KPA has great stock tones to begin, and with the most part the profiles dont need much tweaking for them to get usable. What can also be very cool regarding the KPA is that you'll be able to upload different amp profiles on the main Kemper webpage and find nearly unlimited level of tones. The recording through the two analog and digital outs SPDIF are wonderful and also, the KPA takes pedals in front on the amp well! I currently manage a Seymour Duncan 805 OD and Vise Grip Compressor and it can do it beautifully!
Bottom Line Yes, I would recommend this to some friend
Ive had the KPA to get a couple months now, intensively testing different amp models, effects, recording uses, etc., so far I cannot complain for much! The KPA has great stock tones to get started on, and for that most part the profiles dont need much tweaking for them for being usable. What can also be very cool regarding the KPA is that you are able to upload different amp profiles through the main Kemper webpage and find nearly unlimited level of tones. The recording through their analog and digital outs SPDIF are wonderful and also, the KPA takes pedals in front with the amp perfectly! I currently chance a Seymour Duncan 805 OD and Vise Grip Compressor and it will it beautifully!
Bottom Line Yes, I would recommend this to your friend
Having great tone is extremely important for me, but let's admit it, you must turn most tube amps approximately get their best sounds. Most stages wont allow that. Most apartments wont, either. The Kemper delivers amazing tone at any volume - pure and straightforward. Great amp tones that could fool yourself on a blind test together with the best tube amps at any price. Its simply superior to any other product around. Better than any modeler, including the Axe-FX any of the versions.
The Kemper Profiling Amp sounds in the same way good like a tube amp as it reproduces the RECORDED amp tones. Its not just a modeler, working together with algorithms according to someones interpretation associated with an amp. The Kemper is reproducing actual tube amp tones it's recorded. The Kemper comes in the factory using a bunch of great amp tones. You can profile your own personal amps and take every amp you own within a small, portable device. Thats what I did - I have 20 of my best boutique or modded tube amps with me in any way times.
Guitarists are an incredibly rigid and conservative gear-wise number of people. Too often, they hear with they eyes, instead of the ears. Brand names mean greater than playability or tone. They go to a name brand amp on stage and after that judge a bad tone. If you are prepared to hear with the ears, then you'll LOVE the Kemper.
Until the Kemper, I preferred my Diezel, Engl, and modded Marshall amps. I love the Kemper a lot I have sold the majority of my tube amps. I just dont need them any further! Sure, the Kemper might cost greater than many single tube amps, nevertheless, you get essentially a huge selection of real tube amp tones inside, with an impressive assortment of effects. Considering package, its a good deal.
Bottom Line Yes, I would recommend this to some friend
Recently purchased the Kemper after owning the Axe Fx basic model. Although there are a whole lot of features design is so simple and easy and intuitive that I was able for making adjustments, firmware updates and amp favorites sections in seconds. literally so easy. These types of steps were additional cumbersome in any other case downright difficult using the Axe Fx. On to your Amp Profiles- well theyre not models- each title is like a breathing reacting amplifier- you literally get 300 to experiment with with straight out of the box- but to my amazement, I downloaded the rig manager and been able load into my Kemper another 15 dream amps that this kemper community had posted. By the way, this is 15 beyond over 5, 500 other amp choices to load! The tones I was able to make in an exceptionally short time had me shaking my head. Each amp is usually tweaked and also the range of tone is amazing. I might adjust any amp to your point where i had been capturing a fantastic sound after which of course could save that snapshot immediately. I feel which the technology from the Kemper finally has captured what a good many others have attempted from the amp modeling field. The Kemper is in the class of that own. This is often a no brainer purchase- why buy an amp when you'll be able to own this and own every amp just as they originally sound, and capture any others while using profiling feature. people say to primitives advanced technology will seem as magic- well, kemper is pure magic for this
Bottom Line Yes, I would recommend this with a friend
The best purchase I have ever made.
I think I have finally found the missing link. Like any little bit of new gear you have got to sit down and learn how make use of it. Every time I do, I learn new things. It is allowing me to profile my assortment of amps when done sell them off. Not only putting cash back in my pocket but unscrambling some much need space inside my studio. Some amps I will never sell but a majority of are easy to let it go. The profiles positioned on rig manager via Kempers site are endless so it is possible to pretty much have got amp you wish. I cant hear the visible difference between my tube amps as well as the profiles by any means. Worth every penny. I will basically using it inside studio for the moment so I cant say the way performs within a live situation. You will need to invest in a midi pedal that will assist this unit if you need to use it within a live situation. If you are able to afford this then you definately should are.
Bottom Line Yes, I would recommend this to some friend
Makes it a breeze to get an incredible tone without a great deal of nonsense for studio recording. I enjoy it!!!!
Bottom Line Yes, I would recommend this into a friend
id: H94898, categoryId:site1HAABC, name:Profiler Rack Rackmount Guitar Amplifier, pageUrl:/amplifiers-effects/kemper-profiler-rack-rackmount-guitar-amplifier, , addToCartUrl:/amplifiers-effects/kemper-profiler-rack-rackmount-guitar-amplifier, hasFeatures:0, isAccessory:0, message:The Kemper Profiler was designed being a complete solution for the guitar playing needs. You can use it like you would a consistent amplifier, or you can actually use it being a multi-effects unit, or even because the front end for the guitar-based studio. BRBR/Nearly all digital guitar amps on the market today offer exactly the same features-simulations of classic and modern guitar amplifiers and stomp boxes, usually with a few digital and studio effects added too for good measure. The Kemper Profiler doesn 39;t simply include digital versions of guitar amps, but lets you come up with a 34;profile 34; of ones own guitar amp to work with inside the Kemper Profiler. You can also load profiles of other guitarists 39; amps into the Kemper Profiler. BRBR/If you wish a more technical description: the Kemper Profiler analyzes the sonic characteristics of an reference amplifier. This process allows it to faithfully recreate the characteristic sound of just about any guitar amp, and adopt the behavior and interaction in the components on the analyzed amplifier. BRBR/The Kemper Profiler doesn 39;t just capture the sound of with his guitar amp alone; you may also capture the sound in the cab along with the mics such as the mic distance and angle. You can store 1000 amp profiles overall and it is included with 30 different stompbox effects and also a master effects section with master delay and reverb., value:1, 980.00, priceMin:1, 980.00, priceMax:1, 980.00, priceSavingsMaxPrice:0.00, priceSavingsMaxPercent:3, inventory:8, brand:Kemper, reviewStarImageUrl:, reviewStarRating:4.5, reviewStarRatingInteger:9, reviewHowManyReviews:8, usedOrNew:new, discontinued:0, onOrder:0, clearance:0, canBeSold:1, accessoryCategories:, stickerText: Top Rated, priceVisibility: 1
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ARRL launches БDo It YourselfБ theme.
There are a LOT of similarities between hams and also the growing Do It Yourself DIY, Maker communities.б We can study from each other and share tools and ideas in this enjoyment of fabricating things for ourselves in addition to purchasing mass-produced products.б
ARRLs new video, БThe DIY Magic of Amateur Radio, Б can be an 8-minute video that follows some with the innovative, imaginative and fun ways БhamsБ use radio technology in new and artistic ways. The presentation is aimed the DIY try it for yourself movement, and that is inspiring a brand new generation of creators, hackers and innovators. The message needs to be helpful for existing members to shape the ways they understand and discuss ham radio. б
Theres a printed flier, powerpoint, speaker notes, buttons and even more available available for you.б We hope you will employ them to find, contact and reach out to your Maker/Hacker/DIY communities with your area.б
Start here by exploring short stories and videos about some in the projects and activities pursued by todayБs radio amateurs. From satellite communications to sophisticated wireless digital networks, youБll easily discover that when looking at ham radioБWE DO THAT!
Hams and Makers have a good deal in common. See how Makers are choosing ham radio as being a tool within their creations. For download options, see /DIY
Amateur Radio oftenб called Ham Radio is actually many hobbies and passions under one name.б From checking out the stars and creating new computer applications to bouncing signals off meteorite trails, hams enjoy using and creating technologies in new ways.б Here are some in the ones took action today not
To find as club or group close to you, visit /find-a-club
Posted on January 5, 2010 by apitts
A directed beam of light from your 3 Watt red Luxeon LED in a distance of virtually fifteen miles, easily shines against the lights of Salt Lake City, Utah.б бCredit Photo: Clint Turner KA7OEI, copyright, utilized on permission б
Since the starting of wireless, Amateur Radio operators have established an insatiable curiosity to educate yourself regarding and populate the high frontiers from the electromagnetic spectrum.б Many years ago, hams were relegated towards the Бshortwaves, Б thought being worthless, plus they discovered that people frequencies allowed for worldwide contacts. A few years later, hams colonized the VHF and UHF frequencies and discovered them for being ideal for reliable local communication.
This technological wanderlust of ours could possibly be happening again, perhaps encouraged with the Federal Communications Commission inside US, which, as well as many other members from the International Telecommunications Union, has opened the frequencies above 300GHz to licensed Amateur Radio use. Small sets of hams, some in Australia, New Zealand, Tasmania and France, in addition to here inside the US, are using lightwaves as being a communications medium.
There offers some historical precedent with this. The first БwirelessБ electronic communication in the human voice was over in 1880, not by radio, but over Alexander Graham BellБs БPhotophone.Б This device used an image vibrating in accord together with the senderБs speech to modulate a beam of sunlight, that has been detected in the other end by the selenium cell attached into a battery plus an earphone.
Obviously, BellБs invention wouldnБt help much if someone were required to make a call through the night, even so the recent blossoming of Light Emitting Diode LED technology is enabling hams now to shoot a beam of concentrated light over many miles of Бline of sightБ territory.б Because the thin beam of laser light is degraded by scintillation БtwinklingБ when propagated through lots of atmosphere, LEDs are in fact a superior transmitting tool.
Sensitive photodiode circuits behind inexpensive Fresnel lens concentrators or off-theshelf telescopes are designed to receive the light and retrieve your message. How sensitive do they really be? Yves Garnier, F1AVY, detected harmonics of power line frequencies in terrestrial street lighting reflected from your surface from the moon throughout a recent lunar eclipse. Rye Gewalt, K9LCJ, reported that output БspikesБ from your photodiode receiver board he was working on were the result in the board seeing lightning strikes at a thunderstorm many miles away. Neither of those events was producing enough light being visible for the naked eye.
For a fantastic look at some actual hardware being used at this time, Clint TurnerБs KA7OEI website, БOptical Through-The-Air CommunicationsБбБ б , offers around the best introduction towards the subject that could be found for the Бnet. At least one Amateur Radio club is now being formed specifically to understand more about this new frontier. The БCarolina Flashers Photonics GroupБ , a team of hams headquartered in North Carolina, has decided to be chartered at work to help discover how far fraxel treatments might be developed.
December of 2009 brought an excellent present to radio amateurs worldwide. The Chinese Б Hope-1 Б satellite carries a group of interesting and easy to utilize VHF/UHF transponders.
AMSAT-NA formally designated the newest satellite as Hope OSCAR 68, or HO-68.
Hope-1 or Xi Wang-1 is manufactured by CANSAT and is usually a so-called micro-satellite with educational purposes. It includes both a linear SSB transponder along with a strong and sensitive FM repeater. This repeater may be used for regular voice contacts together with digital communication with all the
on-board BBS. Status in the satellite is continuously transmitted using a CW beacon at 435.790 MHz.
All uplinks towards the satellite are from the 145 MHz band, and many types of downlinks within the 435 MHz band.
Satellite operators world wide got immediately enthusiastic because satellite proved to become easy to work. Due to its relative high orbit the БfootprintБ is larger concerning most other amateur radio satellites. Already inside first days after launch reports of contacts through the oceans became available.
This 2 minute video features the launch from the satellite and it is various modes of operation, including its CW beacon, the FM repeater and also the linear SSB transponder.
by Henk Hamoen, PA3GUO, The Netherlands
Very often I find it hard to explain to БoutsidersБ what БHAMБ radio is centered on. Therefore I have released a brief video on YouTube around the recent ANDE-2 experiments and exactly how Radio Amateurs world-wide contributed for this mission;
When I would be a young kid I watched the initial Space Shuttle flight on TV, an excellent, scientific event, happening miles away, around the other side in the world. Many years later, licensed Radio Amateurs are shown opportunities to engage directly in space-experiments. ItБs a thrill to get involved!
Atmospheric Neutral Density Experiment Б 2 ANDE-2 includes two micro satellites launched from your Shuttle payload bay on July 30th 2009, that may measure the density and composition in the Low Earth Orbit LEO atmosphere while being tracked through the ground.б Data are going to be used to better predict the movements and decay of objects in orbit.
Originally designed as passive payloads, both satellites were become research projects of several participating high schools and universities.ббRadio Amateurs participated from the program when they acquired all satellite data transmitted via radio.
Featured in theб ANDE-2 video include the launch and deploy from STS-127, and also reception and decoding on the satelliteБs radio signals БtelemetryБ received from space by the team of licensed Radio Amateurs world wide.
Henk Hamoen, PA3GUO, The Netherlands
posted on November 2, 2009 by apitts
by Henk Hamoen, PA3GUO, The Netherlands
COMPASS-1 would be the first CubeSat on the Aachen University of Applied Sciences in Germany. It is really a 10x10x10 cmб cubic satellite having a mass of below 1 kilogram! The original mission purpose were to let everyone take and download pictures in the earth in the unique view of any satellite in orbit.
Daily download of satellite info is delegated with a team of licensed radio amateurs world wide, which is coordinated by Mike Rupprecht, DK3WN. Satellites systems information, like battery condition and temperatures, are monitored and provided on the University of Aachen. This includes downloading of pictures through the experimental camera system.
In this video, itБs demonstrated how satellite data telemetry is downloaded using 1k2 AFSK modulation. Radio amateurs use computer controlled antenna systems to БfollowБ the satellite even though it travels through space. Computers atone for БDopplerБ effect around the transmit command and receive telemetry frequencies. Data decoding and telemetry processing is additionally fully automated by software manufactured by radio amateurs.
University of Aachen, Germany, Compass-1 project:б
by Henk Hamoen, PA3GUO, The Netherlands
Did you know you'll be able to actually see together with your naked eye the International Space Station ISS if this passes over your property? During passes when it's dark outside, day or late within the evening, the ISS itself is in sunlight, and it is possible to see it inside the sky to be a moving star.
ItБs really fascinating to view the ISS. But thereБs more. You can listen on the ISS also. At a frequency of 145.825 MHz FM, licensed radio amateurs use dedicated equipment onboard the ISS for brief message services, generally known as APRS. In very short packets close to 2 seconds itБs digital communication, they are able to broadcast a communication via the ISS to everyone inside the БfootprintБ that's everyone which could БseeБ the ISS during that very moment.
This same radio equipment can be used for voice contacts between astronauts and radio amateurs, in addition to for daily for school contacts, when students ask astronauts onboard the ISS doubts about their be in space.
This video shows the ISS passing within the Netherlands Europe to be a bright, moving star. You hear the bursts of digital communication to see them decoded on-screen. LA4FPA Norway, G6HMS United Kingdom, IW9FRA Italy, ON7DS Belgium, YO8RBY Romania, PA3GUO Netherlands, OE1CWJ Austria, UA1CAS Russia and SP9TTX Poland were active in this pass because of their stations.
For NASA information around the amateur radio equipment, head over to:
Henk Hamoen, PA3GUO, The Netherlands
Posted on October 30, 2009 by apitts
For four decades, Computerworld is the leading supply of technology information for IT influencers worldwide. ComputerworldБs award-winning Web site, weekly publication, focused conference series and custom research from the hub on the worldБs largest global IT media network.б So it truly is quite a commendation after they published the October 2009 article
Abundant spectrum resources with an engaged research community are drawing wireless experimenters back to a hobby that lots of had forgotten.
Posted on October 16, 2009 by apitts
БVE2DXYБ is undoubtedly an Amateur Radio contesting team.бб 2009 Бcore teamБ members are Bill Ballantine K3FMQ, Andy Vavra KD3RF/VE2DXY, Irwin Darack KD3TB, Sebastien Jean VE2GTZ and Ken Nicely N3PSJ.б Information about them and past DXpeditions taking Amateur Radio into unusual and frequently wilderness areas is sold at б /andyvavra/VE2DXY
They do mini-DXpeditions into Canada for 6 years to be a БField DayБ type exercise and exceed the 50 degrees north parallel.б They carry all in their equipment 1, 000 miles to set-up and operate radio stations for your duration in the contest, then dismantle and return home.б
In 2009, бtheir ham radio efforts were selected by HP for the feature around the БHP in Real LifeБ website highlighting the real-life integration of Amateur Radio technology and HP computers. The VE2DXY teamБs utilization of HP products in Amateur Radio applications would be a key factor on the story at /go/hamradiostory.
Radio amateurs have already been mixing the capabilities of computers and radios into new applications and technologies for years.б In the rapid fire exchanges of radio contesting, computers are utilized to record contacts made, details about radio propagation in order to find frequencies that can give the best probabilities of contacting other rare stations.б Blending GPS systems, computers and Amateur Radio allows remote tracking and position reporting.б
Bob Heil is often a ham, K9EID.б HeБs also the premier an associate sounding goodбfor many musicians.бб His Amateur Radio experience has had him in to the Rock Roll Hall of Fame.б
Observations of Minor Planet 31531 ARRL by Prof. Jeffrey A. Larsen for that Spacewatch Project from the Lunar and Planetary Laboratory, University of Arizona, funded in 1999 through the National Aeronautics and Space Administration, the U. S. Air Force Office of Scientific Research, the Steven and Michele Kirsch Foundation as well as the David and Lucile Packard Foundation. бCopyright c 1999 from the Arizona Board of Regents.
We have formally and officially named a solar system object for ARRL: Minor Planet Б31531 ARRL.Б
As a Planetary Astronomer along with a newly licensed amateur radio operator and long-time SWL, through my work using the Spacewatch Project in discovering and observing Near-Earth Asteroids NEAs on the Lunar and Planetary Lab at The University of Arizona, we have now just named an asteroid for that ARRL.
The naming was proposed for the International Astronomical Union IAU Committee on Small Bodies Nomenclature CSBN, and was accepted with the CSBN and published towards the world, 2010 Jul 27.
The full name with the object is: Б31531 ARRLБ.
The number in parenthesis could be the so-called Бpermanent numberБ that the asteroid receives after its orbit is sufficiently accurately determined so that it might never become БlostБ.б БARRLБ is naturally the acronym from the American Radio Relay League.
Prior on the object receiving its permanent number, that it was known by its so-called permanent designation: Б1999 CQ137.Бб I selected this object for naming from bar stools on sale thousands discovered by Spacewatch.б It seemed fitting if you ask me that БCQБ should be from the designation.б In addition, the amount Б137Б can be significant toб physicists and engineers and possibly to radio amateurs: it will be the reciprocal in the Бfine-structure constant, which depends about the square with the charge about the electron, the pace of light, PlanckБs constant, plus the permittivity of free space.б This object gave the impression to have everthing, for many people!
Minor Planet ARRL is from the main-belt of asteroids.б It isn't an NEA.б Its orbit is virtually circular, and has now an eccentricity of only 0.08 EarthБs is 0.02, with an orbital period in regards to the Sun of four years old.95 years.б The orbit is inclined only 2.4 degrees on the Ecliptic, as well as its semi-major axis is 2.90 Astronomical Units.б Its physical dimensions are between 3 km and 7 km not well determined, possibly regarding the size of an major peak within the Rocky Mountains.
Posted on December 22, 2008 by apitts
At the Dayton Hamvention in May 2008, ARRL President Joel Harrison, W5ZN, announced the formation of the Fifth Pillar for amateur radio, combined using the in-existence Four Pillars Public Service, Advocacy, Education and Membership. The purpose in the new Pillar is usually to encourage and enhance math, science and engineering appreciation and skills. Individuals who are considering and a part of, at various levels, the rapidly expanding modern-age technology developments in electronic hardware and software are definitely the intended audience. This applies in particular for people as it pertains towards the art and science of Amateur radio communications, not only in the Бblack boxБ and БoperatingБ levels, these all are very important, but equally important with the math, science, analysis and design levels.
This concept was encouraged by Dave Sumner, K1ZZ, from the August 2008 QST Editorial. QEX as well as other ARRL Technical employees are very active in advancing the Fifth Pillar ideas. The new ARRL Web site is dedicated to the present effort. Traditional БlegacyБ methods may also be respected, as they ought to be.
Many national governments, such as USA, are deeply interested in inadequate awareness and education from the general public from the fields of math and science. Many nations are ahead this is because. The Fifth Pillar effort is specialized in adding on the improvements in deficiencies of the kind. This brief as well as simple example article is additionally dedicated to the effort.
The modern personal desktop computer, jointly with an elegant and complex mathematics calculation program, Mathcad Version 14.0 Ref. 1, is employed with this brief article in an introductory level which is very user-friendly. This program is accustomed to calculate, process and graph-plot various signal-processing and very several kinds of math problems. The so-called symbolic math methods start to see the Mathcad User Guide, Chapter 13 may also be used in modern math computing. This software is definitely an outstanding tutorial tool for your advancement in the engineerБs and studentБs math skills, that is considered to get an important goal in todayБs advanced technology environment.
The signals as well as their analyses can be inside time domain and the frequency domain, and they will be linear as the name indicated or non-linear. Signals, before processing, could be switched backwards and forwards easily between time domain and frequency domain. A complete Mathcad 14.0 program, with perpetual usage, is attached towards the new book Discrete-Signal Analysis and Design Ref. 2. бThis is often a special and extremely generous Mathcad promotional offer with the PTC company.б The User Guide that may be on the compact disk is usually placed around the Desktop for an icon.
Example: A three-tone distortion simulation. Ref 3.
A typical discrete-signal processing example will assist you to illustrate just a few from the basic ideas of Mathcad usage within the practical realm of electronic design. This and other alike examples may also be further explored with circuit simulation programs including Multisim student edition by National Instruments using accurate types of Бs, transistors, diodes, tubes and lots of kinds of passive components. In addition for the three desired tones, a substantial undesired Бout-of-bandБ signal that contributes to distortion products will likely be examined.
Time domain information could be converted to spectrum results. After modifying the regularity spectrum, one example is by introducing a filter or perhaps a signal interference or random noise additive or multiplicative, the modified time domain results may then be obtained. We can also start with various spectrum shapes that achieve certain desired time-domain results.
Certain communications waveforms use methods similar to this particular example, and laboratory test equipment is employed to perform discrete-some time to discrete-frequency tests automatically. Pseudorandom data error rates is usually evaluated.
Click for the images to generate them larger.
Part A shows some time-domain input Vsign and part B enough time-domain output Voutn associated with an amplifying device that may be perfectly linear. The device delivers only output signals that happen to be proportional to those with the input, , Voutn Vsign
times a voltage gain constant Gv. The signals in Part A have frequencies 4, 7 and 9. Another much smaller input at frequency 29 are going to be considered a bit later. Observe also the DC bias Vdc for the device. This is known as the Бoperating point.Б
Part C will be the two-sided positive-frequency and negative frequency phasor spectrum in the output as calculated through the Discrete Fourier Transform DFT with the time-domain output part B from the device. Part D shows the identical actual positive-frequency signals as being the input. We get these positive-frequency signals by combining the positive-frequency phasors as well as the negative-frequency phasors. Chapter 2 with the Sabin book explains how this is accomplished. Also, Chapter 1 discusses phasors vs signals.
Part E introduces a nonlinearity, the exponent 1.5, which can be often utilised in text books see Sabin ch. 2, inside transfer function in the device. This creates distortion products within the form of new frequencies with the output Voutn that are certainly not present inside the input Vsign. In the signal spectrum Voutk of part F many, and not all, with the nonlinear output goods are identified. For example, the phrase at k 3 is due for the term at k 4 interacting with all the term at k 7. The 1.5 exponent also enhances the voltage gain, with this particular example, to Gv
Gv can even be a more complicated time-varying function of n for example Gvn
Another consequence on the nonlinearity is always that the spectrum phasors, therefore also the signals, are БcomplexБ and might possibly display things that have a real Re part, an imaginary б j Im part, a magnitude б and phase angle н with respect to many БreferenceБ phase including zero. The graphs of parts F and G would identify these. Mathcad might be instructed to calculate and plot all of such results.
In part G the interfering Бout-of-bandБ signal at k 29 is greatly increased in amplitude to ensure that distortion terms are emphasized. The ability of any strong out-of-band interferer to corrupt a desired signal spectrum is illustrated. In particular, the spurious product at k 6 stands apart. In addition for this large distortion term, there are several smaller distortion products which can degrade the required weaker signals. Also 4, 7 and 9 are degraded slightly. This is incredibly serious interference that could be difficult and harmful for repair, particularly wideband high-level systems where filtering of strong interfering signals is pricey. A tunable notch filter is usually possible for constant interferers, but costly high dynamic range machines are often indicated. We see this effect in practical environments, for instance in HF/VHF/UHF radio. We now find it also mathematically.
Beyond this simplified introduction, a additional complete study could be well-justified. For a closer look for the various related technologies for this and several other topics, visit the brand new ARRL website
Mathcad, version 14.0, PTC company, Needham, /products/mathcad/б The Mathcad program is incredibly mature and possesses a history of fourteen versions in over 25 years.
Discrete-Signal Analysis and Design, by William E. Sabin, published in January 2008бby Interscience Division, available through the ARRL Bookstore, itemб0140 at /catalog/, search: Sabin.
Sabin, W0IYH. QEX, Nov/Dec 2008 БA Modern Discrete-Method for Signal Analysis and DesignБ pp 36-38.
Bill Sabin received the letter Sign W9YFA in 1941 in Covington, KY when he was 15. This changed to W4YFA in 1946, as well as W0IYH in Iowa Collins Radio Company in 1964. He holds BSEE and MSEE degrees from your U of Iowa. He retired in the Rockwell Collins Company in Cedar Rapids IA in 1990. He is co-editor of and cause of, with Schoenike, three books on Single-Sideband and HF Radio. He will be the author of a lot more than 40 technical articles and portions with the ARRL Handbook 1995 to 2009 editions. In 1983 he received the annual ARRL Technical Excellence Award. He can be a member of ARRL, Life Senior Member of IEEE, and member on the ARRL DXCC Honor Roll.
Back from the early-mid 1900Бs, hams were often accused for being the method to obtain interference.б With the coming of better radios and TVs, complaints now are a great deal more likely to often be a CB radio, not much of a ham radio they are incredibly different things!.б But when there's something happening thatБs really wierd and nobody knows how to handle it, that are you planning to call?б
Posted on October 17, 2008 by apitts
Growing amounts of hams are utilizing VoIP, or Voice Over Internet Protocol, in combination using their radios for too long-distance communication spanning hundreds or 1000s of miles. TheyБre with all the Internet since the relay between their base stations, handhelds and mobile transceivers.
There are four primary VoIP systems utilised by hams: EchoLink, IRLP, eQSO and WIRES-II. Getting started may vary in complexity from beginners who just desire to set up and try with your systems, to arrangements with plenty technical БmeatБ for those who wish to dig deeper and explore the way the systems actually work.
VoIP possibilities, using Amateur Radio to deliver communications across expanses where normal phone services are damaged in storms, continues to be extensivelyб used within the recent past following several hurricanes.б There is surely an ARRL book published to aid hams get involved in this particular new area.б This may be the initial book ever written in regards to the developing ham radio applications of VoIP. Author Jonathan Taylor, K1RFD, will be the creator of EchoLink and one in the top experts in Amateur Radio Voice Over Internet Protocol. ISBN: 0-87259-926-4
John at his radio. You know youБre a real tech geek if you play at whatever they pay you to accomplish at workБor within my case, come up with.
In Portable Design magazine I spend a whole lot of time covering low-power wireless issuesБfrom exploring evolving air interfaces to explaining tips on how to design them to the next portable gadget. In my spare time I design and build low-power wireless transceivers that operate inside the amateur radio БhamБ bands. Working exclusively below 30 MHz, I donБt worry whether my 5 GHz UWB signal can reach from my family area to my bedroom TV. IБm more interested in whether Serge can hear my 5W 14 MHz signal in Tahiti or Joao in Brazil. Since local deed restrictions relegate me to presenting an attic dipole, thatБs a neat trick.
БDaddy hears static.Б WhatБs that about? In an age when mobile devices have made people blasц about international wireless communications, ham radio appears like a relicБand in some ways it truly is. Why might you spend time analyzing sunspot cycles, atmospheric ionization plus the maximum usable frequency MUF for wireless communication between your own home and Brazil when it is possible to just acquire your phone can call someone there?
Cell phones are acceptable for point-to-point communications when you already know who youБre calling. Ham radio is fun precisely as you never know who youБll turn out meeting. ItБs an assortment of science and serendipityБlike sailing. Sure, you could potentially fire up an engine and obtain somewhere faster plus much more predictably. But just as sailing youБre harnessing a force of natureБin this situation the ionosphereБand utilizing it for your sheer joy from the adventure. The Germans consider ham radio as Бradio sport, Б which seems a fitting term.
Still, there is really a lot of science involved, and not simply in analyzing propagation. Hams have long tried out different data communications modes, inventing more than several. I was only competent to contact Serge and Joao with my tiny transmitter because I was using PSK31, a sort of binary phase shift keying introduced by Pete Martinez, G3PLX. PSK31 transmits 31.25 bits per second, by using a binary code whose length varies together with the popularity on the letter БeБ is two bits, БzБ is nine. This makes for just a very efficient modulation protocol, perfect to low power stations.
If band conditions permit, you'll be able to switch to QPSK31Бquaternary phase shift keyingБwhich adds an additional BPSK carrier that's 90 degrees beyond phase while using first. The second channel carries redundant bits, so QPSK adds a convolutional encoder to come up with one of four different phase shifts that correspond to patterns of five consecutive data bits. On the receiving end a Viterbi decoder sorts all of it out. All on this magic is performed using your computerБs sound card and PeteБs software. Plug your computer to a 5W transmitter, give a decent antenna, and you'll be able to get a great deal farther as opposed to nearest cell tower.
Hams have invented and are also using a amount of other interesting air interfaces. Whereas PSK31 uses any where from 2-12 symbols per text character, MFSK multi-tone frequency shift keying uses only oneБbut modulates an RF carrier with several as 16 different tones; while slower than PSK31, MFSK signals are less impacted by multipath errors. MT-63 uses 64 different tones, plus forward error correction; MT-63 is robust against selective fading. Olivia relies on a two-layer code and Walsh Functions, so that it is readable regardless of whether the signal is 10 dB below the noise floor БCan you hear me now?Б. JT65 is usually a digital protocol optimized to the extremely weak signals within earth-moon-earth EME communications within the VHF bands. When not bouncing signals over moon, hams can communicate via one of varied satellitesБcalled OSCARs Orbiting Satellite Carrying Amateur RadioБthat support VHF and UHF communications.
Ham radio has come a good way since I began. I got my novice license immediately after my 11
birthday. I got about the air by using a WWII surplus BC-654 transceiver AM and CW that ran off a cell and dynamotor. One of my first contacts was the postmistress of Vladivostok. I ran out and purchased a world map and started sticking colored pushpins into places I worked, reading up about them from the encyclopedia on the local library. Ham radio really opened in the world for me personally. Now the children can read information about Vladivostok on Wikipedia and call there on their own cell phones. Still, each of the instant information available about the Internet doesnБt start to substitute to the thrill from the hunt and also the unplanned meeting that has a stranger.
While I enjoy trying out digital RF designs, IБm basically into ham radio for just one reasonБbecause itБs fun.
This article originallyбappeared being an editorial in Portable Design magazine in July, 2008
John Donovan, K6YLG, is a licensed amateur radio operator over 50 years. When not writing for Portable Design magazine or skulking about trade events, the guy can often be found about the digital portions with the 20-, 30- and б 40-meter ham bands. HeБs also active within the Amateur Radio Emergency Services ARES in Williamson County, Texas.
The Teachers Institute on Wireless Technology TI is usually a week long, in-residence learning opportunity created for motivated teachers along with school staff who wish to learn more about wireless technology and convey that knowledge for their students. A variety of topics are covered in the 4 days from the TI including basic wireless technology literacy, electronics, and also the science of radio; bringing space in the classroom; ham radio operation; guide to micro controllers; and basic robotics.
The Teachers Institute is only the beginning of your participantБs exploration with wireless technology. The goal with the TI program is usually to equip each teacher with necessary foundational knowledge, and through hands-on learning, generate the inspiration for teachers to continue to understand more about wireless technology and adapt relevant content to their classroom instruction.
Using weather imagery gathered from the students for environmental studies.
Using TV remotes to regulate simulated Бsmart homes.Б
Radio Direction Finding RDF activities to analyze how naturalist track wildlife.
School competitions in the School Club Round-up, a nation wide ham radio contest for schools.
Geography lessons using QSL card postcards collected from ham contacts all over the world.
A school wide space exploration curriculum including the air to receive signals from space and participation inside NASA Explorer School Program.
Radio contacts between participating schools.
Using radio in ESL classrooms to hear live broadcasts from countries which use the languages because their native tongue.
Find more information regarding the Teachers Institute, including how teachers may sign up for scholarships.
Teachers also have a very final exam!
As part of the activities, the teachers construct their particular robotic vehicles which must navigate a maize, trail the other person and even perform Бsynchronized carpet swimming.Б Watch a video on the results.
By Patrick Mannion, TechOnline
An excellent feature article around the design and advance of SuitSat and Amateur Radio technology in space.
This is obviously not your grandfathers radio!б
2008 Б A group of graduated pupils has broken the entire world amateur high-altitude balloon record inside a recent near-space flight that exceeded 125, 000 feet. The balloon launch was the capstone effort of Project Blue Horizon PBH, an educational component of your three-year program called Lockheed MartinБs Engineering Leadership Development Program.бб PBH is often a space-flight program that incorporates amateur radio also referred to as ham radio technologies. Onboard navigation systems and amateur radio technology support monitoring of launch, ascent, descent and recovery, with high-resolution images 20 miles over the earthБs surface recorded.
Satellite-active hams compose a rather small but growing segment of our own hobby, primarily because associated with an unfortunate fiction that is circulating for most yearsБthe myth that operating through amateur satellites is overly difficult and expensive. Like every other facet of Amateur Radio, satellite hamming is just as expensive since you allow it to become. If you would like to equip your home having a satellite communication station that would come up with a NASA engineer blush, it is going to be expensive. If you wish to simply communicate which has a few low-Earth-orbiting birds using less-than-state-of-the-art gear, a satellite station is you can forget expensive than a regular HF or VHF setup. In many cases hams can talk to satellites using present station equipmentБno additional purchases are needed.
Does satellite hamming impose a steep learning curve? Not really. You have to perform a bit of work and invest some brain power to get successful, though the same could be said of DXing, contesting, traffic handling, digital operating or some other specialized endeavor. You are, in fact, communicating that has a spacecraft!
The rewards for that efforts are substantial, making satellite operating one with the most exciting pursuits in Amateur Radio. There are few things like the excitement of hearing someone addressing your call coming from a thousand miles away and with the knowledge that he heard you by having a satellite. The same goes for that spooky, spellbinding effect of hearing your personal voice echoing by way of a spacecraft because it streaks over the blackness of space.
No doubt it is beginning to appear to be an impassioned Captain Kirk delivery. БAnswers! I need answers, Mr Spock!Б LetБs cut on the chase.
While a repeater antenna can be as much as several thousand meters over the surrounding terrain, the satellite is hundreds or a large number of kilometers on top of the surface with the Earth. The area in the Earth which the satelliteБs signals can reach is therefore much larger compared to the coverage area of the best Earthbound repeaters. It is this sign of satellites that creates them attractive for communication. Most amateur satellites act either as analog repeaters, retransmitting signals the same manner they are received, or as packet store-and-forward systems that receive whole messages from ground stations for later relay.
There is considerably more to learn and get. I suggest you spend some time within the AMSAT Web site. YouБll get a wealth of information there. Speaking of Бpicking up, Б grab a copy with the ARRL Satellite Handbook pick the book online, or visit your favorite dealer. Between these resources youБll be capable to tap just about each of the amateur satellite knowledge youБre planning to need.
Late May 2008, бBill Tynan, W3XO, announced that Amateur Radio satellite Delfi C-3 may be issued an OSCAR number: Delfi-C3 OSCAR-64 or Dutch OSCAR-64. The shortened version of either these two designations is DO-64.
Delfi C-3 was successfully launched April, 28, 2008 from India aboard a Polar launch vehicle and was successfully commissioned, currently transmitting telemetry about the 2 meter amateur band. In addition to its 2 meter downlink, Delfi C-3 comes with an uplink within the 70 cm band. This newest amateur satellite was developed by the team of some 60 students and facility members from various polytechnic schools in The Netherlands. Delfi C-3 carries two experiments: one involving thin film solar cells produced by Dutch Space, with an autonomous wireless Sun sensor in the Dutch Government Research Institute TNO.
According to Delfi C-3 Project Manager Wolter Jan Ubbels, Delfi C-3 has become duly coordinated through Region 1 IARU representative Graham Shirville, G3VZV, which the satellite Бmeets all with the criteria necessary to get issued an OSCAR number.Б
Б AMSAT-NA is glad to welcome DO-64 in the family of Amateur Radio satellites, Б Tynan said. БWe are hopeful that it's going to fulfill its intended mission of furthering education and increasing interest inside the Amateur Radio space program. We congratulate those responsible for designing, building, testing and launching this new Amateur Radio satellite and appearance forward to its long and productive life.Б
WSJT can be a computer program for VHF/UHF communication using state with the art digital techniques.б It can decode fraction-of-a-second signals reflected from ionized meteor trails, along with steady signals greater than 10 dB weaker than these required for conventional CW.б One of the company's operating modes, JT65, is especially optimized for amateur EME Earth-Moon-Earth communications.б WSJT is open source software which is licensed beneath the GNU General Public License.б WSJT posseses an active development group.
MAP65 is really a new July 2007 software program designed to deliver the Бback endБ of your semi-automated, wideband, polarization-matching receiver for JT65 signals.б In in concert with Linrad by SM5BSZ and suitable RF hardware to obtain and decode all detectable JT65 signals in the 90 kHz passband.б MAP65 runs under Windows or Linux.б Its principal intended application is EME or БmoonbounceБ around the amateur VHF and UHF bands. бA MAP65 status report is obtainable, and also a MAP65 Quick Start Guide.
Posted on April 15, 2008 by apitts
D-STAR is often a new ham radio standard which, when made right into a system, offers both digital voice and data communication. It connects repeater sites over microwave links plus the Internet and forms a broad area ham radio network. The DSTAR system provides a different capability and functionality for the ham radio world and raises the efficiency of emergency communications.
128kbps digital data and 4.8kbps digital voice communication!
The D-STAR system provides not merely digital voice DV mode communication but additionally digital data transmission DD mode. It can exchange various data files like graphics, images, etc, at 128kbps.б Multiple repeater links by radio as well as the Internet provide telephone long distance communication to virtually anywhere.
The D-STAR system uses the TCP/IP protocol, so when it's connected having a PC, web, e-mail as well as other Internet applications can be obtained.
No matter in which you travel with all the DSTAR network, you may access the internet, e-mail, sms messages and multimedia messages.б It works regardless of whether Бthe net is downБ and normal Internet communications are certainly not working.
The D-Star standard, first published four years ago, resulted from government-funded research in Japan administered from the Japan Amateur Radio League JARL to research Amateur Radio digital technologies. D-Star is surely an open protocol thatБs designed for implementation by anyone.
БAmateur Radio is again out there within the forefront of technology, Б saiys Ray Novak of Icom America, one from the companies manufacturing D-Star equipment. Although he concedes thereБs a steep learning curve ahead, he predicts Amateur Radio users will invent new solutions to put D-Star technology to work while they get better acquainted featuring its possibilities.
At this stage, the ARRL HQ in Newington, CT carries a D-Star 23-cm repeater expires and running in digital voice mode, and W1AW Station Manager Joe Carcia, NJ1Q, and ARRL Web and Software Development Manager Jon Bloom, KE3Z, have enjoyed contacts throughout the repeater. In the meantime, Bloom may be working to interface the D-Star system using a Linux server, that will serve as a possible Internet gateway, to look at that aspect from the system.б It is often a new technology whilst still being being created.
The digital voice stream can simultaneously handle voice at 3600 bps with error correction and data at around 1200 bps. Since a D-Star voice signal occupies only 6.25 kHz the potential can there be to make more efficient utilization of available spectrum on 2 meters by squeezing as much as four D-Star repeaters to the same space as two analog channels.
Working via a D-Star repeater is really a bit distinct from using an analog repeater. While the standard БrepeaterБ concept will be the same, some aspects are altogether new. Your call sign will be the key into a D-Star system since itБs utilized in every transmission you're making. Because of D-StarБs call sign-routed system, new registered users are capable of cross-speak with stations registered on another networkБs D-Star repeater, wherever it can be.
This signifies that if a user calls a station registered elsewhere, the voice transmission will be routed for the appropriate repeater where it will be heard equally though both stations were with all the same repeater.
The 1.2 GHz D-Star systemБs high-speed data capability is yet another exciting feature. The high-speed data stream features a data rate of 128 kbps along with a maximum occupied bandwidth of 130 kHz. With the Ethernet jack within the transceiver, you have the functionality connected with an ISDN integrated services digital network line available with your vehicle.
БWeБll need to find new methods for using fraxel treatments, Б Novak said. БThat is going to be where ham radio changes. This uncovers an unbelievable range of features for repeater systemsБincluding graphics, schedules, tables, photos, take your pick!Б
The D-Star discussion forum at may be the place the spot that the latest developments, applications and uses are appearing just about every day with this new technology.
Posted on April 14, 2008 by apitts
Sure your dashboard GPS might tell you in places you are. But think about seeing and tracking where others are located in realtime?
Long-time packeteer Bob Bruninga, WB4APR, developed the Automatic Packet Reporting System APRS, allowing packet radio to trace real-time events. It deviates markedly on the usual message- and text-transfer activity. Instead, APRS concentrates within the graphic display of station and object locations and movements.
For example, in case you know the latitude and longitude within your station, you are able to add this information on the beacon transmissions sent because of your packet TNC. Any monitoring station thatБs designed with APRS software will translate the information and display your location over a computer-generated map.
Taking this idea a measure further, should you own a conveyable Global Positioning System GPS receiver, you've precise position information when you need it. Connect the GPS receiver for your TNC and you are able to transmit your region information while youБre moving!
When any an affiliate an APRS network determines where youБre located, the guy can move his cursor and mark your role on his map screen. This action will be transmitted to all or any screens inside network, so everyone gains, for a glance, the combined familiarity with all network participants. In other words, everyone knows in places you are. The map screen retains these details for future reference. This implies that moving objects might be dead reckoned thus to their current locations with one keystrokeБbased on his or her previous positions.
With a tiny GPS receiver, a TNC along with a hand-held transceiver stuffed within a cigar box, nearly every object could be tracked by packet stations running APRS software. You can place these boxes on bicycles for the marathon event, and, naturally, in automobiles. This system is a great too for triangulating the location of any hidden transmitter or jammer.
The article Position Reporting with APRS below is usually a good tutorial for that APRS beginner. See also this list of other APRS articles.
A lot has happened to APRS since its humble beginnings. I think even Bob Bruninga is astonished at what has become of his idea. New applications and uses are increasingly being developed constantly.
Having realized the shortcomings of current emergency messaging systems, including people that utilize voice, CW, or email robots, a ham operator, Skip Teller, KH6TY, saw the advantages of fast, reliable, emergency message transfer that will not be at the mercy of any errors in translation through the spoken word for the written word, or from Morse Code to your written word, or turn out in a message inbox that nobody notices until it can be too late. The primary critera that needed being satified is the fact that any message that has been sent has to be without any errors. If 1 number inside a phone number to become called is error, the full message is undeliverable. So, greater than anything else, the delivered message has to be an exact duplicate on the original. To accomplish this, a verification approach, called БARQБ for Automatic ReQest, should be utilized, plus the system needed for being staffed with live amateur operators, who are able to verify message delivery for the intended recipient, instead of depend upon any email БrobotsБ which cannot obtain such verification in a very timely manner. In addition, the device had to become capable of using very little from the radio spectrum to ensure there was more space left for other emergency communications activities, in addition to other ham radio hobby activities. The БNarrow BandБ portion of NBEMS refers for the NBEMS spectrum-conservative approach.
KH6TY then contacted a radio amateur friend within the Netherlands who received a spectrum-conservative email message system and in addition they worked together to attempt an adapt that system, but from the end, it found themselves being too complicated for your average radio amateur operator to use. It was after all this that Dave, W1HKJ, a greatly experienced computer programmer in addition to a radio amateur, offered to use KH6TY and make up a program that will send and receive messages with virtually no errors. KH6TY and W1HKJ then worked together full time to the next year to take NBEMS to fruition.б
We are very mindful what happens when there is often a widescale disaster like Katrina. Phones donБt work, cellphones donБt work, the Internet will not be accessible, and electric power can be out also.
We huddle together in the shelter, wondering the way to tell our relatives and buddies that we are OK, but without the need of traditional communications available, exactly what are we about to do?
Well, such situations, individual radio amateurs offer a way to connect for the outside world to request medical help or let friends know that you are OK.
Radio amateurs will have radios of their cars or homes which could run off batteries, or even the car electrical system, and they are portable or mobile enough to arrived at that shelter and send messages for the outside world Б even around 100 miles away.
A new system to perform that has been developed utilizing no centralized communications points, but lets every available radio amateur send emergency messages at a disaster area, or receive them away from disaster area, and deliver them by telephone, cellular phone, SMS, or Internet email.
That strategy is called NBEMS, for NarrowBand Emergency Messaging System, and is often a set of programs that allows the ham operator to look at your message and send it, perfectly error-free, to a different station beyond your disaster area.
The radio amateur operator can have with him, your own computer, NBEMS software, a communications radio, along with an antenna. He can operate from his car if needed, or within a shelter, using battery or electricity coming from a generator. Persons wanting to send messages to family and friends, or request medical assistance, or simply request supplies like water or food for that shelter occupants provide message for the radio amateur, who then types it into his computer. When a variety of such messages are already received, the air amateur will broadcast a БCQ Emergency NBEMSБ, which can be a general demand anyone hearing him that has got the NBEMS software to get hold of his station. The two then link together plus the messages are transferred for the computer in the radio amateur which is outside the disaster area and has now Internet, telephone, cellular telephone or text-messaging capability.
The radio amateur outside then forwards the messages about the Internet, if these are emails, or delivers the messages by telephone, cell-phone or text-messaging, confirming the message is given to your intended recipient. If what it's all about is delivered by email, he advises the recipient by telephone, cellular phone, or text-messaging that the email delays. When the confirmation is as simple as text messaging, he requests this short confirmation by return text-messaging the message was received.
1. Current emergency messaging systems require that outgoing messages be delivered to at least one of some radio amateurs located at some central point within a disaster area.
Solution: NBEMS utilizes any NBEMS-equipped radio amateur, who might happen to get on the spot or available, to send out messages for the outside with the disaster zone.
2. Current emergency messaging systems have only some, unattended, email robots comparable to telephone answering machines that may receive messages, and is usually easily overloaded inside a real emergency with radio amateur operators trying to make contact with them andthen needing to wait in line to transmit messages.
Solution: NBEMS is able to utilize as many radio amateurs just like available with the time to forward messages by Internet, phone, cellular phone, or text-messaging. There isn't need to hold back in line to send some text. The БNarrowBandБ aspect and non-reliance using a handful of email robots makes this possible.
3. Because current emergency messaging systems utilize email robots to forward messages, emails can lie unnoticed for minutes, or hours, prior to recipient checks his inbox.
Solution: NBEMS uses no email robots, but live radio amateur operators that can personally contact the recipient and make certain he gets the material. He can also immediately accept any return message for sending back towards the station from the disaster zone when he contacts that station. NBEMS messaging is two-way.
The NBEMS happens to be undergoing rigorous testing for being sure it can be easy to function and reliable in order for being ready for use inside the coming 2008 hurricane system. Various radio amateur emergency communications groups already are evaluating it for organized emergency communications needs, for example connecting Emergency Operation Centers with units within the field, or providing backup communications with hospitals inside the event that normal communications are disrupted.
The NBEMS strategy is free for radio amateur use and is also available for the Web for every single radio amateur to download and make use of. The system can also be usable for daily casual communications by radio, providing a continuous test with the readiness on the system for actual emergency use. Get additional information.
The Do It Yourself or БDIYБ movement are few things new to Amateur Radio. б For about a century, БhamsБ are already working in basements and attics, taking things apart and putting it well together in new ways to the fun of it. б The enjoyment of seeing your creation work Бor even though it fails- always surpasses to be a mere user of corporate products. б The joys of developing and modifying things by themselves run deep within the ham community. б TodayБs hams continue make use of technologies in new and artistic ways which could become the client products of tomorrow and, inside meantime, they have got FUN doing the work!
Hams were an original Makers and Hackers, using new, used and scavenged parts for making transmitters, receivers, and antennas capable of talking with other hams anywhere on Earth, and beyond. б In this hobby, communicating could be the keyword. б And, when computers arrived, they can fit right in for the hams wide world. б Using their technical skills and imagination, hams build advanced communication networks connected by radio waves rather than wires. б
From microchips and robotics to some time and space itself, the Makers inside Amateur Radio ranks build and explore new methods to play together with the radio spectrum like bouncing UHF signals off a meteorite trail or sending email without worrying about Internet Б for celebration. б They can contact astronaut hams within the International Space Station or set world distance records for communications using microwaves. Hams are even developing totally new systems the place where a computer IS radio stations. б If you need a new radio, youБll be capable of download it!
Multiple Input/Multiple Output - бPronounced Бmy-mo, Б
it may be the use of multiple transmitters and receivers multiple antennas on wireless devices for improved performance. When two transmitters and two if not more receivers are employed, two simultaneous data streams might be sent, which double the info rate. Multiple receivers alone allow greater distances between devices. The IEEE 802.11n wireless standard, expected during 2009, uses MIMO to boost maximum speed to 100 Mbps and beyond, quantity 802.11a and 11g wireless standards.
Antenna systems are certainly not normally a preeminent topic when you are looking for discussions about wireless equipment. That attitude is very understandable; antennas are merely not that interesting to the majority people. To some, including myself, RF propagation and antenna technology are extremely worthy discussion topics. My fascination started four decades ago when I earned my first amateur radio operatorБs license. I still can recall the excitement of talking to numerous fellow amateurs as I could with an old home built CW transmitter. Not having quite a lot of money achievable equipment, I aimed at improving my antenna farm. It did not take long for me personally to see the difference an excellent antenna made. Poorly designed or poorly built antennasБI learned the tough wayБcan literally destroy transmitter RF circuits. Whereas a highly built antenna afforded me the opportunity to contact other amateurs anywhere from the world.
Wireless equipment manufacturers will invariably have the challenge of seeking to equal or surpass the capabilities of wired voice or data networks. Helping to close that gap are recent innovations using multipleБsame frequencyБantenna systems. Researchers and equipment manufacturers now understand that using MIMO antenna technology means greater receiver gain, increased data rates, larger network throughput, and improved reliability through antenna diversity. It all sounds good, but as that saying goes БnothingБs ever freeБ applies here as certain challenges surface when working with MIMO antenna systems.
Posted on April 10, 2008 by apitts
Since the start radio itself, signals arrive at antennas and were processed by components of hardware so which the information they carried may very well be understood by people. A century ago, the hardware amounted to little over crystals and coils of wire. Vacuum tubes followed, that were eventually superceded by transistors and integrated circuits. Regardless in the design, the most popular element of every radio was hardwareБa technology locked into place and hard to change.
Б TodayБs amateurs have entered a fresh era. TheyБve surpassed many in the limitations of hardware by employing software instead. TheyБre still sending and receiving signals, the good news is theyБre using computers to produce БvirtualБ radios which could change within an instant, operating with just about any signal on the click of the mouse button. This incredible technology is generally known as Software Defined Radio plus it promises an upcoming that those early experimenters will not have dreamed possible.Ббб БSteve Ford, WB8IMY
Many promising amateur radio developments have finally begun underneath the general topic heading of software defined radio. In the last a few months, the vast majority of these promising developments have begun to get delivered to radio amateursБ shacks. We are going to view a new transceiver from Flex Radio. HPSDR initiated a policy of to deliver software and hardware to its followers throughout the efforts TAPR with the aid of AMSAT. Linrad initiated a policy of a serious experiment in delivery of highly capable network based, distributed software defined radio systems. uwSDR has delivered functional software simple fact its hardware efforts for VHF, UHF, and above continue to be under development, the first results show great promise. GnuRadio is constantly on the move forward. Ettus Research, Inc. is all-around delivering its first articles from the USRP2. A functional OFDM modem has now been implemented in GnuRadio and development about it continues with great promise for future amateur radio use. Radio manufacturers over and above Flex Radio have begun to pay attention to many of its developments and they are now shifting their marketing to add in claims to be software defined radio and a lot of are now showing live, very sensitive panadapters with the type pioneered by Linrad and Flex Radio inside the PowerSDR software.
There is amazing development happening now with better hardware becoming available with the RF front ends to radios with much faster computing equipment becoming inexpensive enough for many to afford. SDR is actually mainstream now. It should continue for being highlighted as it's here that a great many amateur radioБs most fun action is going on.
Project Argus continues to be going strong after the decade, and hams are
driving the technical developments. 135 Project Argus stations are