Contact from the International Space Station! (aka “Selfies from Space”, part 2)
To celebrate Cosmonautics Day on April 12th, the International Space Station began transmitting slow scan tv images related to the Interkosmos project from April 11th-14th, using a Kenwood TM-D710 transceiver located in the Russian ISS Service module which broadcasted on the frequency 145.800 MHz. I found out about this event from an amateur satellite radio organization called amsat ; and with my new interest in radio image reception, I planned to attempt to make contact with the ISS and decode some of these images. I purchased a Baofeng UV-5R handheld radio capable of receiving radio transmissions on the specified frequency (which my SDR / antenna combo from part 1 of “Selfies from Space” could also receive, but was more unwieldy to use), and used a Sony voice recorder to record the transmissions. I could then play back and decode the transmissions with a program on my PC called mmstv , or an app on my phone called Robot36 . While it is possible to decode the recorded transmissions in realtime, I preferred to record the transmission and then try different programs/settings t