Hello Dave, yes, 'widely used' might have been stretching it a bit. Perhaps the numbers would be comparable to its LF use? Certainly QRSS is used daily on HF in many countries. I enjoy it, just as I
This needs qualifying. Yes, I gather there are some people using QRSS on these bands. They specifically use microwatt type power levels so the casual listener doesn't hear them at all, and they are c
Mal, band, so why 500 QRSS is widely used on 40m and especially 30m and sometimes on all the other HF bands. It allows most enjoyable QRPP contacts between stations with minimal antenna space. Mike Z