15 Jun
2009
15 Jun
'09
5:05 a.m.
New to SAT – BB (one week) Could I please ask – how many SATs are currently active carrying transponder for amateur radio voice communication. And the designators as called (such as AO-7, AO-51 etc) and which SATs are linear (SSB / CW) and non linear (FM) Regards, Stephen ZL1TPH