HAM radio and satellites
Posted: Thu Jun 21, 2018 11:38 pm
or 'how to talk to astronauts':
http://www.ariss.org/
https://www.amsat.org/
http://www.amateurradio.com/learn-how-t ... ellites/
http://www.ariss.org/
https://www.amsat.org/
http://www.amateurradio.com/learn-how-t ... ellites/