Topband: TX ANT TO RX ANT COUPLING

W2XJ w2xj at nyc.rr.com
Sun Jun 17 14:53:25 PDT 2012


Probably part has to do with the fact that your vertical is 1/8 
wavelength and rule of thumb is 1/8 wavelength or less do no have a 
significant influence unless extremely close.

On 6/17/12 5:34 PM, Bill and Liz wrote:
> I have been following the thread with interest.  I have a K9AY and a DO loop
> located within 60 to 75 ft of the TX vertical at our summer home.
> Interestingly, I find both these antennas very quiet with no sign of noise
> being coupled to them via the TX antenna.  I work a lot of DX from this
> location on topband using these loops as well as a pair of Beverages, both
> of which also pass fairly close to my TX vertical and both of which are very
> quiet.
>
> So, why am I not hearing this noise many are experiencing?  The TX vertical
> is a 60 ft toploaded affair and I do not de-tune it on receive.  All I have
> done is to run all the feedlines for both RX antennas and the TX vertical
> underground in different conduits to a remote switching location.  Someone
> please tell me why I am missing out on all the fun of having noise on my RX
> antennas.
>
> Bill, VE3CSK
>
>
>
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