General Aircraft Enhancement Discussion
2 / 7APRS, FSK441, JT65, JT6m, MFSK16, PSK31, PSK2K, WSPR etc Discussion etc... APRS, FSK, PSK31 etc, WSJT, WSPR, Digital Modes Miscellaneous
96 / 588Earth-Moon-Earth discussion
7 / 51FM, Analogue, DSTAR, C4FM, etc Repeater discussion
16 / 60Meteor Scatter Discussion
7 / 31Discussion about orbiting satellite, and balloon launches
30 / 122