call sings

VK2ABQ Antenna for 50MHz - A vertically-polarised VK2ABQ Antenna for six meter band

Auto Couplers - Article by K0BG on automatic antenna couplers, erroneously called antenna tuners with reviews of popular tuners and basic concepts.

P29NI - An international team, using the P29NI call, will visit 5 islands belonging to Papua New Guinea between 19 October and 4 November 2012

J5NAR Guinea Bissau - HA0NAR is travelling to Guinea Bissau as J5NAR February 2013 qsl via home call

Auto License Plates - Persons holding an unexpired ham radio station license issued by FCC may apply for one set of Ham Radio Call Letter license plates.

Caller.com - live police radio  ^new - Listen to Corpus Christi TX live police scanner

QRZCQ.com - The DataBase for radio hams, callsign database, DX Cluster filtering, forum calendar and resources

or2or - OmniRig to Omnirig - or2or is a simple OmniRig utility software, it let you to connect via LAN or WAN two PC where two Omnirig sessions are running or interconnect Radio1 and Radio2 locally, in one PC, always via OmniRig interface. By IK0VVE

About Cavity Filters - Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass

QRP 20m ATU - A handy little QRP Antenna Tuner designed specifically for 20m, although it works fine up to 10m.