- Freeware real-time, schedule of the transmitting times, frequencies, short-path and long-path beam headings
See shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon
network and shows you the signal strength received from each of the 18 beacon
transmitters as a plot of frequency spectrum against time.