[UK-CONTEST] Fw: HF Beam/WARC dipole on same mast

G3SXW g3sxw at btinternet.com
Sun Nov 5 07:53:28 EST 2006


> Ian,
> My WARC dipole is parallel with the elements of the tribander. Originally 
> it was parallel with the boom - no discernible inter-action either way. 
> But it is about six feet above the KT34A. Your '2 or 3 feet' sounds a bit 
> close for comfort. Maybe use a longer stub-mast?
> If it's parallel with the boom it's a pain to always add/deduct 90 degrees 
> in your head !
> Good luck - 73 de Roger/G3SXW.
>
>
> ----- Original Message ----- 
> From: "Ian Fugler G4IIY" <zen90387 at zen.co.uk>
> To: "UK Contest Reflector" <uk-contest at contesting.com>
> Sent: Sunday, November 05, 2006 9:35 AM
> Subject: [UK-CONTEST] HF Beam/WARC dipole on same mast
>
>
>>I am seeking some advice, please.
>>
>> I have bought a rotatable dipole for 30/17/12m.  It is about 11m long.  I 
>> plan to mount it on the same stubmast as my HF beam (Cushcraft A3S) 
>> (separate feeders, of course).  It would only be about 2 or 3 feet below 
>> the A3S.
>>
>> Do I mount the dipole parallel with the A3S boom or parallel with the 
>> A3S' elements?  Parallel with the boom would be a nuisance, as the dipole 
>> is longer than the boom.  But, being parallel with the boom, there should 
>> presumably be less inter-action between the two.
>>
>> I am sure that others have done this.  I would welcome any thoughts, 
>> please.
>>
>> Thanks, Ian G4IIY
>>
>>
>>
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>>
> 




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