Re: [TenTec] Off topic: Paul's wire loop antenna report ground wave

[tongaloa <tongaloa@alltel.net>]

Curious.
How did you distinguish ground wave from other modes at 100 miles over 
salt water.
73,
-Bob
ah7i

Stuart Rohre wrote:

> Paul, Ground Wave not there above 3 MHz?  It is there, in fact an antenna we
> developed here at the research lab did Ground wave near 10m band out to 100
> miles!  That was with the Folded Conical Helical invented by Dr. Robert L.
> Rogers and team, which they call the FLEX antenna. We also did it with some
> helical 10m ham sticks, and with a half wave 10m antenna, (vertical).   This
> was done over salt water.  Ground wave exists for all frequencies.  It is
> what works your simplex modes at 2m, etc.
>
> There are noise issues at one frequency vs. others, but ground wave on HF is
> very useable.  Incidentally, our testing was at 5 Watts Pactor II.
> 73,
> Stuart Rohre
> K5KVH
>
>
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