For years, I used Tyco DPDT relays. Open-wire feed, who knows what SWR,
full 1.5 kW.
For example:
http://www.mouser.com/ProductDetail/TE-Connectivity-PB/PRD-11DH0-110/?qs=sGAEpiMZZMtGt%252bn33CgIPz07uLBulijhRYGqdd4PmSw%3d
Mine were 12 VDC units, and with a little research you can probably find
them.
73,
Hank, W6SX
On Sun, Oct 20, 2013 at 9:04 AM, John Harper <john@ae5x.com> wrote:
> Morning all,
>
>
>
> I am planning to put in a DPDT switch (or relay) to allow me to easily
> switch from using my 80m dipole as a vertical (T-top) antenna on 160m:
>
> http://www.ae5x.com/docs/antennas/160mT.jpg
>
>
>
> The dipole is fed with 450-ohm ladder line and used 10-80m in that
> configuration so there is a high SWR on the line. I sometimes use a kw
> output.
>
>
>
> I know that T/R switches inside amps are fairly small in physical size,
> however they are designed to operate into a fairly low SWR load. I have no
> idea of what rating of a DPDT switch I would need (per the diagram) in my
> application - perhaps I'm making a bigger deal of something that isn't so
> critical.?
>
>
>
> John AE5X
>
> http://www.ae5x.com/blog
>
>
>
> _________________
> Topband Reflector
>
_________________
Topband Reflector
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