Topband: E51D and OHQP

[Mike Waters]

Contrary to what you hear repeated on the bands year after year, what Jim
said is *exactly* right! :-)

I'll add that NVIS is rarely —if ever— useful for working DX on 160m.

73 Mike
W0BTU
https://web.archive.org/web/20190827040547/http://w0btu.com/

On Thu, Aug 24, 2023, 1:40 PM Jim Brown <jim at audiosystemsgroup.com> wrote:

> ... the optimum height for an NVIS antenna is a quarter-wave.
> Higher reduces upward radiation, lower increases ground loss. This study
> was peer reviewed.
>
> 73, Jim K9YC
>