I spent a year with 30 and 60 foot high full size 160 meter
dipoles that I compared with my 90 foot vertical. I never
saw any evidence of NVIS on 160 meters, as you would find
on 80 and 40. Has anyone else confirmed that NVIS occurs
on 160 meters?
Rick N6RK
On 11/28/2010 5:25 PM, Nate Bargmann wrote:
> * On 2010 28 Nov 12:45 -0600, Rob Atkinson wrote:
>> Height has to be thought of in terms of wavelength on the band of
>> interest. 35 feet okay on 20, but not on 160. Would you operate
>> with a dipole 4 feet high on 20 meters? Surprisingly, many hams with
>> dipoles 30 feet high on 160 do not comprehend this.
>
> Please, let's not fall into the trap of building every antenna for DX.
> Placing the 160m antenna at 35 feet is in the range for effective NVIS
> work for which a low angle of radiation is just as useless as high angle
> radiation is for DX. So-called cloud warmers have their place. DX
> isn't the last word in antennas.
>
>> Some things work better than other things but that doesn't always mean
>> they are good, or excellent.
>
> Agreed. There are courses for horses and antennas that are a better
> choice for a given use case than others.
>
> 73, de Nate>>
>
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