Designed by radio amateurs, AO-7 launched in November of 1974 and is now marking 50…via Amateur Radio Daily: AO-7 Satellite to Celebrate 50 Years in Orbit
Designed by radio amateurs, AO-7 launched in November of 1974 and is now marking 50…Designed by radio amateurs, AO-7 launched in November of 1974 and is now marking 50…