On 12/18/2021 1:09 AM, Ken WA8JXM wrote:
Some people may be
confusing groundwave (usually up to 25 miles) with NVIS.
Yes, AND groundwave weakens drastically with increasing frequency. With
average soil, a station operating on 550 kHz will be 21 dB stronger at
100 miles than a station running the same power than one operating on
1600 kHz, assuming both are using a single quarter wave tower.
73, Jim K9YC
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