VOACAP (Voice of America Coverage Analysis Program) is free professional high-frequency (HF) propagation prediction software from NTIA/ITS, originally developed for Voice of America (VOA)
OH6BG @VOACAP Tweeted:
#voacap.com/hf : People are really missing the good old REL Prediction Wheel so it’s back 🙂 On the right margin of the map, you click the new button “Prop wheel”, and the wheel will appear on the left. Move the markers and see the predictions change on the fly… 🙂