[Elecraft] Occasional second radio use with KPA500

[Morgan Bailey]

I think that here is your answer:

https://www.dxengineering.com/search/brand/acom/product-line/acom-2s1-automatic-two-transceiver-commutators?autoview=SKU&sortby=Default&sortorder=Ascending

Granted it is pricey but will probably work for you.

73, Morgan NJ8M

On Thu, Feb 4, 2021 at 10:48 AM Chuck Chandler <chandlerusm at gmail.com>
wrote:

> I've been using the K3S, P3, KPA500 and KAT500 as my main radio.  All three
> antennas are selected by the KAT500.  I also have a second radio, an older
> Yaesu FT-101ZD.  This rig can be switched into the lineup in place of the
> K3S.  I sometimes enjoy using the older rig.  In this manner the FT101ZD
> output goes through the KPA, then the KAT.  I find the KAT plays well, a
> little tap of the key will cause it to auto-tune.
>
> I'd like to be able to use the KPA500 as an amplifier, but so far it won't
> key.  I've tried the RCA Phono plug into the PA Key jack, but as long as
> the K3S is connected the KPA won't go into TX without the proper software
> signal.  I did try with the software keyline interrupter a few months ago,
> but that prevented the K3S from switching the amp unless I also used a
> Y-connecter and phono cord from the K3S for amp keying.  When I did the
> keying didn't seem as crisp, though.
>
> The K-Line is all connected as in the diagram on page 5 of the KAT500
> manual.
>
> Ideally, I could turn off the K3S, switch the feedline from the K3S to the
> 101ZD, and have use of both the tuner and amp.  Is there an easy way to do
> this?  Perhaps one of those breakout boxes?  Any hints appreciated!
>
> 73 de Chuck, WS1L
>
> chandlerusm at gmail.com
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