General Aircraft Enhancement Discussion
2 / 6APRS, FSK441, JT65, JT6m, MFSK16, PSK31, PSK2K, WSPR etc Discussion etc... APRS, FSK, PSK31 etc, WSJT, WSPR, Digital Modes Miscellaneous
70 / 483Earth-Moon-Earth discussion
7 / 51FM, Analogue, DSTAR, C4FM, etc Repeater discussion
14 / 56Meteor Scatter Discussion
2 / 13Discussion about orbiting satellite, and balloon launches
27 / 112