[VHFcontesting] crankup tower, multi band antennas, and coax

VE7HR ve7hr at ve7hr.ca
Sun Dec 8 22:58:31 EST 2019


I am doing something on a slightly smaller scale.  
Hoping to do 2M,222,70cm and 1296 on one feed line with a quadplexer on both ends.  
After a long wait the quadplexers arrived I swept them and returned them to manufacturer.  I have hope they will be returned  meeting specification. 

Curious to see what they experts have to say.  


Thanks
Dave
VE7HR 

Sent from my iPhone

> On Dec 8, 2019, at 7:49 PM, Kim <whensley11 at comcast.net> wrote:
> 
> Hello all!
> 
> I'm looking for feedback, suggestions, and experiences.
> 
> I have a 72-ft crank up tower that I want to populate with multi-band VHF/UHF antennas through 1296.
> 
> My initial thought was to use one feedline (heliax) with relays to select the source and the corresponding antenna.
> 
> In raising and lowering the antenna my intention was to walk the feedline out to avoid kinks and sharp bends.
> 
> Another approach would be multiple feedlines.
> 
> There would be only one antenna per band for terrestrial work.
> 
> Thank you for your time and thoughts.
> 
> 73, Kim - WG8S
> 
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