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

[K7XC Tim Marek]

I would use four separate feedlines as each has varying needs of acceptable
feedline loss.

73s de Tim - K7XC - DM09jh... sk

Adapt, Overcome, Succeed!


On Mon, Dec 9, 2019 at 3:58 AM VE7HR <ve7hr at ve7hr.ca> wrote:

> 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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