[Elecraft] Antenna switching [K3]

[WILLIS COOKE]

Mike, take a look at Array Solutions and see if they don't have an offering that either fits your needs or gives you some ideas to work with.

Willis 'Cookie' Cooke 
K5EWJ


--- On Wed, 1/28/09, Mike Scott <mike at paxsen.com> wrote:

> From: Mike Scott <mike at paxsen.com>
> Subject: [Elecraft] Antenna switching [K3]
> To: Elecraft at mailman.qth.net
> Date: Wednesday, January 28, 2009, 12:30 PM
> I put up a vertical yesterday to begin playing with
> diversity mode.
> 
> When I installed the sub receiver I opted to connect the
> Aux RF BNC
> connector. Now I am not sure I made the right decision for
> me as I want to
> be able to easily switch transmit and receive antennas. Of
> course then my
> 20M dipole and my 6 M vertical would be just sitting there
> unconnected and
> to switch bands I have to plug new cables in. I have more
> antennas planned
> for the future and I may try some kind of low noise
> receive-only antenna.
> 
> In the old days a simple antenna switch would be all I need
> but now I have
> multiple simultaneous antennas to switch and I need to make
> sure I don't
> transmit out of Antenna 1 into the Aux Rx port ;-)
> 
> So now I am considering building some kind of well isolated
> Antenna switch
> matrix. I am interested in what others are doing. If I use
> relays, how does
> one build for good cross-talk isolation between antennas?
> Maybe all I need
> is two or three simple antenna switches.
> 
> Mike Scott - AE6WA
> Tarzana, CA (DM04 / near LA)
> K3-100 #508/ KX1  #1311
> 
> 
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