VOACAP is an improved and corrected version of IONCAP, retaining all of the theory as put forth by John Lloyd, George Haydon, Donald Lucas and Larry Teters in the 1975-1985 time-frame with modifications which were suggested/approved by George Lane, Donald Lucas, George Haydon and A. D. Spaulding (a world authority on HF radio noise predictions).
VOACAP (Voice of America Coverage Analysis Program) – free professional HF propagation prediction software from NTIA/ITS, originally developed for Voice of America (VOA).
VOACAP Online – an easy-to-use Google Maps basedtool for making professional HF predictions
The Uncertain Future of Ham Radio Software-defined radio and cheap hardware are shaking up a hobby long associated with engineering
By Julianne Pepitone
Will the amateur airwaves fall silent? Since the dawn of radio, amateur...
The SDR.hu project has been finished
“I’d like to say a big thanks to everyone who joined my journey with this project!
I hope you had a good time listening on the site, and learnt some things about SDR. The purpose of this site...