There are kits available to provide LHCP, RHCP, Horizontal, and Vertical.

https://www.minikits.com.au/electronic-kits/relay-kits/EME219-X-POL-SWITCH

https://www.minikits.com.au/electronic-kits/relay-kits/EME218-X-POL-SWITCH

I think this is what I would do.

73,

Joe kk0sd

From: 73 Bob W7LRD <[email protected]>
Sent: Wednesday, December 15, 2021 8:57 PM
To: nick <[email protected]>; AMSAT BB <[email protected]>
Subject: [AMSAT-BB] Re: klm 22c

I believe  Domenico I8CVS (sk) did a very good article about this several years ago.  Should be available somewhere.

73 Bob W7LRD

On 12/15/2021 2:18 PM nick <[email protected]> wrote:

I have a KLM 22c and want to convert it to linear polarization. When I remove the pole switching network what is the impedance of the antenna?

73’s nick k5qxj

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