The International Space Station is transmitting slow-scan TV images for the next 72 hours (april 11th - 13th) on 145.800Mhz FM. Even if you don't have a SSTV demodulator, you can hear the signal quite

#digital

You are correct on all accounts. In a search results, you can type any "word" and all messages with that word will be shown. So, if I wanted information on NVIS antennas, I would search #antennas, the

#emcomm #digital #antennas #automation