[TowerTalk] 80m rotary dipole for 160M RX ?

[VE6WZ Steve]

Yes Jim....
For the last 5 years I have used my 80m Yagi elements for a phased rx array on 160m. It has been my main 160m rx antenna most of the time.
I use vacuum relays at each element to switch in dedicated CAT 5 lines which are passively matched with some toroids.
I have also tried to use active hi-Z amps at each element, but passive feeding has proved best.
I end-fire phase them and my modelling indicates I realize about 10.5 dB RDF.
Yagi is at 100'.

Short answer...yes, your dipole will make an effective rx antenna since more antennas are always better.
I can provide off-list detail of my feed system.

de Steve, VE6WZ

From Babcocks iPhone

> On Jan 17, 2017, at 10:32 AM, Jim Thomson <jim.thom at telus.net> wrote:
> 
> Has anybody tried using a 80m rotary dipole as a 160M  RX ant ?   Im thinking it may well be quieter
> than any dedicated RX ant I could come up with....on a city lot.   There is no way I can get adequate
> separation between any 160m TX ant, like a .25 wave sloper,  shunt fed tower,etc, and a 160M  RX array. 
> This assumes plenty of Z and esp RS on the 80m 1:1  choke balun... when used for 160M RX.   I dont use
> QSK, just vox.  So I would have to incorporate some high speed vac relay setup to swap ants when on 160M RX. 
> It would be interesting to know if the  RX concept even works.  80m rotary dipole planned to go up this spring, on the
> crankup..at 100 ft. 
> 
> Jim  VE7RF
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