Topband: Vertical Dipoles on 160 Meters

charlie carroll k1xx at k1xx.com
Fri May 7 18:01:35 EDT 2021


We use the K2KQ inspired vertical dipole at PJ4K for 160.  Top's at 
about 135 feet and bottom at 30 feet.  We opted for this approach so 
that there's no fighting the cactus to install ground-mounted radials.  
If we can ever get back to the island, we have all the pieces ready to 
put up a phased pair of these antennas.

If you decide to go with this antenna, make sure you consider effects of 
the vertical supports.  We ended up de-tuning our 140-foot towers.

73 charlie, k1xx

On 5/7/2021 1:31 PM, John Crovelli wrote:
> For those who have limited space and are unable to lay out an effective ground system, the vertical dipole offers a very worthwhile alternative to an Inverted-L or low Inverted-V.
>
> It is relatively easy to build, install, and tune.  The K2KQ article has been followed by hundreds with success.
>
> Vertical dipoles on 160 meters have been in place at P40W and P40L for a decade or more.  Small footprint, vertical polarization and no ground system were the design parameters that prevailed.
>
> 73, John W2GD/P40W/P44W
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector



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