AO-07 is one of the most older satellite in activy with a 42 year older man !
AO-7 was non-operational in mid 1981 due to battery failure but in 2002 one of the shorted batteries became an open and AO-07 was able to run off solar panels only in eclipse. When continuously illuminated, the mode will alternate between A and B every 24 hours.
AO-07 work in SSB and carried 2 modes : Mode A (VHF uplink and 10m downlink) and Mode B (UHF uplink and VHF downlink).
Launch date : november 15, 1974
Distance Record : 8,030.895 km. KG5CCI in EM34st20sc <> PY2RN in GG66lw77jq. 10-Feb-2016 at 20:09 UTC