Hello, fellow HF'er: I'm letting this list know about some additions to my website ( http://hfradio.org/ ). These new pages contain information that many operators will find useful (based on the feed
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- IMO, modeling software is only useful when all parameters are known. That is not the case for so-called one way skip. Your software focuses on the signal to nois
Other theories hold that the noise floor on the eastern (dark) side rises so much more after sundown that the S/N ratio drops sufficiently as to make western signals uncopiable, if not inaudible in t
I actually started doing my Ph.D. project on this very topic at the U. of Illinois in radio science in 1977. Unfortunately, after about a year I decided not to pursue it further. I do know it's most