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Re: Topband: 80/160?

To: "Jim Miller" <jtmiller47@gmail.com>
Subject: Re: Topband: 80/160?
From: k8gg@voyager.net
Date: Wed, 18 Apr 2018 20:58:00 -0400 (EDT)
List-post: <mailto:topband@contesting.com>
Jim, et. al.,

One can also use a spring loaded wide spaced solenoid contactor to get
more voltage gap if switching to the 80 meter position.

One of the problems is building a 1500 watt tuned tank coil for 80 meters
to go from 50 ohms up to 2 KV or more at the feed point that is switched
in for 80 and out for 160.

In my opinion, it is just easier to not switch anything and put a trap in
line.

73 & GL,

George,  K8GG


> Rather than use a trap at the top of an 80m vertical to transition to a
> 160
> inverted L has anyone tried a vacuum relay or even two in series at 1500w
> to handle the highvoltage when on 80m?
>
> Tnx
>
> Jim AB3CV
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