Hi Mark,

I'm afraid I can't help with the relay, but I am a fan of the YE-ZB system.  My presentation HERE.

While we're on the subject, does anyone know what "ZA" was?  Saw a reference to it on an aircraft check-list placard.

Good luck with your project.
Al

On 11/16/2023 10:44 PM, Captain D. via MRCA wrote:
I am attempting to put together an operational ZB-1 homing system, and am looking for the Western Electric CW-29093 switching relay that was specific to the ZB-1 homing adapter.  This relay is almost identical to the CW-29173 switching relay used with the R1/AR-2 and ZB-3 homing adapters, but used a different type of coaxial cable than the later homing adapters.  I do have a ZB-2/ZB-3 CW-29173 switching relay I'd be willing to trade for the earlier CW-29093 relay.  You can contact me off list.  Any help is appreciated.
 
73
Mark D.
WW2RDO

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--
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/