[Towertalk] Multiple Antennas on One Feed-line

[Jeff Burns]

I am trying to avoid digging a new trench in the yard. So a control cable is
out. If anyone has a design for a three-position switch that is controlled
threw the coax that would work. It also must be good up to 150 MHz.

----- Original Message -----
From: "k1my" <k1my@msn.com>
To: "Jeff Burns" <jhburns@attglobal.net>
Sent: Thursday, October 17, 2002 10:46 AM
Subject: Re: [Towertalk] Multiple Antennas on One Feed-line


> Try a remote antenna switch.
>
> 73, Bruce
>
> ----- Original Message -----
> From: "Jeff Burns" <jhburns@attglobal.net>
> To: "towertalk" <towertalk@contesting.com>
> Sent: Wednesday, October 16, 2002 5:36 PM
> Subject: [Towertalk] Multiple Antennas on One Feed-line
>
>
> > I picked up a Ten-Tec 1208 6m transverter at a ham fest last summer for
a
> > good price. I have only been able to use it a few times with my portable
> > fiberglass mast. Now I am thinking of putting up a permanent antenna.
> >
> > I do not have a tower yet, so my best location for the antenna seems to
be
> > the 45ft tall spruce tree in the front yard. I already have a 2m J-pole
in
> > that tree. It is fed with 0.5-inch cable TV hard line. The hard line is
> > trimmed to a half wave multiple on 2m so I see 50 ohms in the shack.
> >
> > Unfortunately, I was too cheap when I dug the trench in the yard for the
> > hard line to lay any control cables or extra feed lines. Now I am
> wondering
> > how I can feed both a 6m and a 2m antenna with the same line. Is a
> diplexer
> > a practical solution? Obviously, the antenna will have to be
> > omnidirectional. Is it even worth the time and expense to put up a 6m
> > antenna like this? After all, we are on the downhill side of the sun
spot
> > cycle.
> >
> > Now to complicate the things, I am wondering if I could use a triplexer
> and
> > add some low band sloper antennas to the same tree. Is that a practical
> > idea, or am I really asking for trouble?
> >
> > Keep in mind that whatever I do needs to work without any fiddling after
> it
> > is put up. I do not like climbing that tree more than once a year!
> >
> > Jeff Burns
> >
> > AD9T
> >
> >
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>