[Elecraft] “ELECRAFT NVIS field day”

[Jim Brown]

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