Archive for date: January 20, 2008

Evening Western Pass for AO-51…

January 20, 2008 | Amateur Radio | By: Mark VandeWettering

Got a QSO with KL7XJ, from BP40 near Anchorage Alaska. Not bad, according to my calculator, that’s about 3250km. Also got regulars VA7VW, and heard KI6FYM calling CQ, but he apparently didn’t hear anyone responding. I’m not sure what his problem was: I don’t think it was just simply being off on Doppler. I think […]

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Decoding LO-19 Telemetry…

January 20, 2008 | Amateur Radio | By: Mark VandeWettering

I heard that the telemetry signal from LO-19 was quite strong, and could be easily picked up with even the simplest equipment. It’s sent as 12wpm morse on 437.125 Mhz or so. I don’t really have any equipment that does Morse reception on that frequency, but I figured that I might hear it anyway. The […]

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All the alligators come out on SO-50…

January 20, 2008 | Amateur Radio | By: Mark VandeWettering

Alligators have big mouths, but little ears. On a satellite, an alligator is someone who sends a loud signal without listening, effectively trashing someone elses communication. On this SO-50 pass, I was having some difficulty getting in because people are obviously hitting transmit without listening for each other. I tried to get the downlink a […]

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NOAA-17 a day later…

January 20, 2008 | Amateur Radio | By: Mark VandeWettering

Yesterday I posted an image that I had captured from the NOAA-17 weather satellite on a pass over the bay area in the mid morning. Today, I did the same thing. Whereas yesterday the weather was reasonably clear, today, it was a bit cloudier and colder, and you can see the difference a day makes […]

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