ARISSat-1 First Receive Attempt

Like many hams, I started trying to simply receive ARISSat-1.  My first opportunity was today around 7 AM MT (1300z).  ARISSat-1 was successfully launched (really tossed) from the ISS on Wednesday, 3 August.  I blogged about these events which you can read here.  While I have the Arrow satellite antenna from Arrow antennas, due to work commitments beginning also at 7 AM, I would be unable to go outside and receive the transmission properly.  This meant my only real chance of hearing anything would be via my Diamond 2m/70cm vertical I have attached to the side of my house.  While this solution is less than ideal, I should be able to copy some of the transmitted signals as the satellite passed overhead.

photo

 The 7 AM pass would be my most ideal opportunity with the setup I had available to hear anything.  As you can see from the image to the right, the ARISSat-1 would pass just to the north of Denver metro area.  By the way, the image is a screen capture of the iPhone app titled GoSatWatch.  This app is available in the iTunes store for iOS devices (there is even an iPad version).  The price is $9.99 and is well worth it if you enjoy working the satellites and don’t want to have to lug around a laptop everywhere you go.  In my situation, I can’t easily work satellites from my QTH.  I don’t have a large enough yard and trees and other houses are in the way.  I drive up to a parking lot which overlooks Cherry Creek reservoir.  From this position I can very easily operate the birds without trees and buildings getting in my way. 

Again, I would not have time to drive up to this parking area and would only be able to hear what my vertical antenna was capable of receiving.  My expectation level was set very low and just simply hearing a faint signal would have been considered major success.  I had no expectation of actually being able to copy any audio or data/video.  I had heard reports of other hams being able to hear via an HT and stock rubber duck antenna, so the wait began.

Around 1150z I turned on the digital recorder and just simply set it next to my Yaesu VX-6 hand-held transceiver connected to the outside Diamond antenna.  I’ve used the VX-6 to listen to other birds before and have setup frequencies for some of the common amateur radio satellites.  My interest in satellite operations has sort of come and gone over the last 3-4 years.  I’ll admit I’ve yet to have an actual QSO via satellite.  But have my process for receiving down fairly well.  I do plan to try for QSO’s on AO-51 this weekend. 

Anyway, around 1157z I began hearing faint noises in the static.  I had the squelch open and from 1157z through 1204z I managed to hear both audio (female and male voice transmission) as well as SSTV tones.  Thankfully the conference call just required me to listen and I sort of did this at about 50%.  Most meetings never start on time and this one was no exception.  By the time the satellite had traveled further south, the signals dropped and I shut off the recorder and turned down the squelch. 

2011-08-05 134430 arssat

Once my meeting was finished, I listened to the audio recording and managed to pull out the “secret word” and I plugged the recorder into my Rigblaster and used Ham Radio Deluxe and DM780 to decode the SSTV data.  The image to the left is what I managed to copy.  I’m impressed, especially considering I wasn’t actually pointing an antenna in the exact direction of the satellite pass.  Just about anyone with an external antenna can do the same thing.  You just need to know when to expect the satellite and listen for it. 

If you want to try your hand at listening for ARISSat-1 just set your 2m transceiver on 145.950 and at the very least setup an external antenna.  At present time, ARISSat-1 is just slightly ahead of the ISS which can be tracked here.  You might also want to check out Orbitron.  Orbitron is PC software available to track just about any type of satellite orbiting the earth.  I would expect ARISSat-1 to be added very soon.  But just track the ISS and you should be OK for now.

Until next time…

73 de KD0BIK


Jerry Taylor, KD0BIK, is a regular contributor to AmateurRadio.com and writes from Colorado, USA. He is the host of the Practical Amateur Radio Podcast. Contact him at [email protected].

Tom Hammond, N0SS, SK

It was with great sadness that I learned from the Elecraft reflector today that Tom Hammond, N0SS, passed away early this morning after losing the fight with cancer.

Like so many of the friends we make in this hobby, I never net Tom in person. I never even met him on the air. But it felt like I knew him. Tom was one of the first beta testers of the Elecraft K2 and one of the most active members of the Elecraft reflector in helping other kit builders with any problems. As an early K2 builder myself, many has been the occasion when I have posted a question to the reflector and received a helpful reply from Tom.

Tom’s dedication to helping others get the best from their Elecraft radios was exemplary. Apart from assistance freely provided via the reflector and email, he maintained a website packed full of useful Elecraft-related material which I hope someone will take steps to preserve. Tom also produced several small kits and PCBs for modifications and add-ons to Elecraft radios which he provided at no profit to himself.

Tom Hammond, N0SS, was one of the finest examples of the ham radio spirit and our hobby today has suffered an irreplaceable loss. My thoughts are with his XYL and family.


Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].

Hitting a century

I have just noticed that this blog now has 100 followers. I’d just like to say thanks for reading my ramblings and I hope you continue to find them interesting.

Yesterday I heard about a new web service called about.me. It’s a site that lets you build a personal profile page with links to all your online content: websites, blogs, Facebook, Twitter and so on. Your profile has a URL like: about.me/your.name so in order to grab my name before someone else does I set up my own profile page at http://about.me/julian.moss. It only takes a few minutes to do so if you are interested in making it easier for people to find you on the web it’s worth the effort.

There aren’t a lot of links on my profile as I’m still not into social networks. I can’t see the point of Facebook, though I guess that’s just me as I know it is very popular. And I don’t know that people would be interested in my tweeting what I’m doing any more often than I do in my blogs already.


Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].

ARISSat–Successful Deployment (Sort of)

Like so many fellow hams I follow on Twitter, Facebook and Google+, yesterday I sat glued to a small 6 inch window which showed the events unfolding up at the ISS (International Space Station) during the launch attempt of the ARISSat-1, amateur radio satellite.  The 6 inch window was a browser window I had sized to fit in the upper corner of my screen so I could also still work. 

I had heard of the ARISSat-1 launch a few days before and to be honest at the time I wasn’t aware of just how the satellite would be launched.  The past few days have been busy for me at work and the assumption was it would blast into orbit on the back of  a Titan rocket along with other payload.  It really wasn’t until I began streaming the NASA channel (since Comcast doesn’t offer it) that I realized the event wasn’t going to be as “eventful” as I had first thought.

image

My morning started off busy like most and the spacewalk had already begun by the time I settled in to watch.  The two Russian spacewalkers were already outside of the ISS with ARISSat-1 in hand.  I heard mention ARISSat-1 weighs in at 70 pounds and appeared to be about the size of a toaster oven.  At one point the satellite was un-tethered and  perhaps moments from being launched when it became clear something was missing from the satellite.  The missing item was the 70cm UHF uplink antenna.

This immediately caused a flurry of conversation on Twitter and Google+ regarding what happened to the 70cm antenna.  Really unsure just how the ARISSat-1 arrived to the ISS, I tweeted “I wonder if anyone found an extra antenna in the glove box of Atlantis STS-135”.  Others imagined it sitting behind some books or boxes on someone’s desk back on Earth.  Of course, it could have easily been floating around in the ISS.  We later heard an update which ruled out the missing antenna was on Atlantis as the ARISSat-1 arrived some time ago on board a Russian supply mission. 

The launch of ARISSat-1 was the first of several projects to be completed during the EVA.  The Russian spacewalkers eventually returned the satellite to the holding bay and started work on project number 2 which was to install a laser based communication system.  The comedy of errors continued.  At one point one of the two Russian spacewalkers either unscrewed a wing nut or was trying to attach a wing nut.  It went missing and was then discovered floating off into the deepest, darkest depths of space.  More space junk?

This little boo-boo spurred more chuckles on social media and the entire event sort of reminded many of us of a typical field day weekend.  It also reminded me of the time I had left my house on a Saturday morning for a DAREC training meeting.  We were meeting just a few miles away from my house and I was extremely early.  So early that I realized I had my hand-held, but no antenna.  I quickly returned home to grab the antenna and still made it to the meeting with time to spare.  Of course…returning to Earth to pickup the 70cm antenna was out of the question and this was well outside of the scope of “What can brown (UPS) do for you”?

My morning soon turned into lunchtime and I had a 12:30 dentist appt.  By the time I arrived back home it was a little after 2 PM.  I checked in with friends on Twitter to learn they had launched ARISSat-1 successfully without the 70cm antenna.  This left many of us on earth scratching our heads.  I saw this posted on Google+ “It appears that ARISSat-1 was deployed…without the UHF antenna. My brain keeps saying WTF?”

image

While I (and many) found humor and poked fun at the events unfolding some 240nm above Earth, the brave men and women (regardless of nationality) are true modern day pioneers.  The duties performed are as important as those performed hundreds of years ago by names like Columbus, Magellan, Lewis & Clark and two brothers named Wright.  These duties are performed in an environment which very few could or would even want to journey.  Thank you to all these modern day pioneers for what you contribute to the rest of us on Earth.

As I said, once I returned around 2:15 PM MT, ARISSat-1 was tumbling away from the ISS.  I guess the decision to launch without the 70cm antenna was weighed against the next scheduled EVA wasn’t until February 2012.  It was confirmed the missing antenna will have no impact to the satellites ability to transmit to stations on earth, and receiving capabilities will only be marginally impacted.  ARISSat-1 was given a gentle push by one of the two Russian spacewalkers and it began its 1-3 month journey.

Hams all around the world began pointing their antennas to the sky in hopes of receiving the signals from ARISSat-1.  Images like the one below slowly began making their way into social media streams.  This one received by Peter Goodhall, 2E0SQL in the United Kingdom.  This was a low elevation pass, but clearly shows the onboard cameras are active and audio was also received.  Similar images and audio have been received by many other hams and will continue to do so for many weeks to follow.

image

If you would like to learn more about the ARISSat-1 Satellite and working satellites in general, please check out the AMSAT website.  You might also find this document a helpful read.  In the US, hams holding at least a technician class license can operate most amateur radio satellites with nothing more than a dual-band hand-held transceiver and an external antenna.  There are many plans available on the internet (Google is your friend) on how to construct your own.  Also, the Arrow II satellite antenna is used by many hams (including myself).  Check out this link for this antenna and watch videos by Randy Hall, K7AGE.  Randy also produces many other helpful “how to” videos and makes them available on his Youtube channel.  Please check them out.

Until next time…

73 de KD0BIK


Jerry Taylor, KD0BIK, is a regular contributor to AmateurRadio.com and writes from Colorado, USA. He is the host of the Practical Amateur Radio Podcast. Contact him at [email protected].

Track and Watch ARISSat-1 on The Go!

So when I checked my Mac yesterday for pictures from ARISSat-1′s for SSTV, I was a little disappointed I didn’t have any. I know one of the problems was that it was deployed late because of a 70cm antenna issue, but also of a dumb mistake on my part. But now I have to wait another day for a pass. But to keep track and pass the time, I have a couple mobile apps to help me.

Satelittle Tracker Icon

Satelittle Tracker Icon

The first one is Satellite Tracker. It’s free and it’s a pretty good app for iOS. There is a paid version that gives you maiden head info too, but being that I am a poor working Ham, I need to pinch pennies when I can. The description from iTunes says,

Track satellites as they pass over your location. This application allows you to select any number of satellites and will show the track through the sky of the next pass(es) of each over your location. Frequency information can be added so you know how to tune into the signals. The satellite information is downloaded via the internet, and the iPhone GPS can be used to automatically track your location. Options allow the display of the sun and moon locations and the angle of the iPhone/iPod Touch to indicate to guide where to point your antenna. This application is primarily intended for those who use the Amateur Radio satellites but weather and other satellites can also be tracked.

NASA TV Icon

NASA TV Icon

Another great app that I literally just found, like just before I was writing this, was the NASA TV app. I can now watch NASA TV as well as video on demand and see when NASA programming will be appearing on other TV networks. So this is pretty awesome that I can watch NASA TV on my lunch breaks at work. Here’s the description,

The NASA Television App brings live and on-demand TV programming to your iPhone or iPod Touch. Watch the latest NASA events unfold in real-time or select from a list of recently uploaded videos. Plan your viewing up to a week in advance with the NASA TV schedule, and check out a list of NASA-related programming on other networks.

These are the kind of apps I like. They offer a lot and at a real decent price. While FREE is obviously the best, the cost of some of these apps are well what they’re worth. So if you have an iOS device, please grab them and GO!

73.

Rich also writes a Tech blog and posts stories every Tuesday and Thursday on Q103, The Rock of Albany’s website, as well as Amateur Radio stories every Monday thru Friday here on AmiZed Studios.

 


Rich Gattie, KB2MOB, is a regular contributor to AmateurRadio.com and writes from New York, USA. Contact him at [email protected].

A day by the lake

The fine weather we have enjoyed for several weeks was forecast to change, so on Wednesday Olga and I decided to take the bus and go for a picnic lunch by Bassenthwaite Lake. For radio entertainment I took the UV-3R (in case of any SOTA or WOTA activations) and the FT-817ND.

HF conditions were pretty dire – WWV has been predicting blackouts – and I initially heard nothing above 20m. But even though I called the loudest stations that weren’t calling “CQ DX outside Europe” no-one even acknowledged my existence. (What’s wrong with working stations inside Europe, I’d like to know, especially when no-one is replying to your CQs anyway?)

The antenna I was using, the Wonder Wand L-Whip, could have been better. It does, however, have the advantage that it is small and light. At the moment I can’t carry much, needing one hand for my walking stick and the other for balance, so everything has to fit in a small shoulder bag. So I didn’t have anything else suitable.

The UV-3R produced a contact with Terry, G0VWP/P activating Walla Crag, the lowest Wainwright, prompting Olga to comment that the small radio was better than the big one!

After lunch I tuned around some more and heard some activity on 15m and 17m. And whilst tuning 17m I stumbled across this. Actually, that’s what I heard a couple of minutes later after I’d dug my smartphone out of my jacket pocket to make the recording using Voice Recorder. What I heard first was ZD8D (Ascension Island) calling CQ. Repeatedly. With no takers. He was not very strong – about S4 on the ‘817 S-meter – with some QSB, but perfectly clear. Clearer in fact than in the recording. I called, but needless to say he didn’t hear me.

As I’ve said before, I have little interest in working stations just to tick countries off a list. But I have a particular interest in the British colonies of Ascension Island and St. Helena as I visited both places during a “trip of a lifetime” in 1999 but have never worked either of them. Just my luck to come across a DX station calling CQ with no pileup when I’m surrounded by mountains and running just 5W to an extremely inefficient antenna!


Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].

Ham Nation 11

Ham Radio Communicates Via Satellite

Carole Perry talks about teaching ham radio to students, Clint is working with satellites, George tests the crystal radio he built last week, and more.

Guests: Carole Perry, WB2MGP, Clint Bradford, K6LCS and George Thomas, W5JDX

Download or subscribe to this show at http://twit.tv/hn.

We invite you to read, add to, and amend our show notes at wiki.twit.tv.

Thanks to Joe Walsh who wrote and plays the Ham Nation theme.

Thanks to Cachefly for the bandwidth for this show.

Video URL: 

http://dts.podtrac.com/redirect.mp4/twit.cachefly.net/video/hn/hn0011/hn0011_h264b_864x480_500.mp4

Video URL (low quality): 

http://dts.podtrac.com/redirect.mp4/twit.cachefly.net/video/hn/hn0011/hn0011_h264b_640x368_256.mp4

MP3 feed URL: 

http://www.podtrac.com/pts/redirect.mp3/twit.cachefly.net/hn0011.mp3


Dr. Bob Heil, K9EID, is the founder of Heil Sound and host of TWiT.tv's Ham Nation which streams live each Tuesday at 6:00pm PT (9:00pm ET) at http://live.twit.tv. Contact him at [email protected].

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