For at least two decades, most radio amateurs getting involved with satellite communications have started on the "easy sats," FM birds that simplify hams' first forays into space. During this time, four satellites produced by AMSAT North America have been wildly popular. Two of them, AO-51 (2004-2011) and AO-85 (2015-2020), are now defunct. The others, AO-91 (2017- ) and AO-92 (2018- ), are limping toward their demise. While a few other FM satellites remain operational, and FM repeater operations are sometimes scheduled from the International Space Station, AMSAT-NA recently acknowledged it should have a role in repopulating the easy-sat stage. AO-51, launched in 2004, was operational for more than 7 years. Photo: VE4NSA. In its 2021-2035 Strategic Plan , AMSAT committed to developing, deploying, and supporting a series of cubesats to operate in low Earth orbit (LEO). And in the July/August Apogee View , President Robert Bankston, KE4AL, prioritized options for meet...
An unintended reference to question-and-answer relationships.
Begun experimentally, maintained sporadically, and focused personally.