[TowerTalk] Isolated Mode Antenna Technology

jimlux jimlux at earthlink.net
Sun Dec 20 17:30:04 PST 2009


Steve Sacco NN4X wrote:
> Jim -
> 
> Thanks for your thoughts.  I wish I had more to contribute, but being as 
> I'm not an antenna designer by education or trade, I can only offer what 
> my thoughts were when I posted that:
> 
> 1) If you think in terms of wavelengths, typical Amateur stations are 
> not all that dissimilar, especially on 160 and 80 meters.
> 
> 2) Propagation can and does vary, and there are definitely times when 
> you want to use an antenna providing peak at a higher/lower incoming angle.
> 
> 3 As I was reading that article, my first thought was that it would be 
> interesting to have, say, a Delta Loop, and be able to tap it at 
> different points simultaneously, to (perhaps) take advantage of the 
> different characteristics.
> 


Indeed, and with a diversity receiver (several are available these 
days.. some of the Flex-Radio models have two receivers that can be 
linked, and I think some of the bigger conventional rigs have a 
subreceiver that can be set up.)



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