[ARC5] Mrker beacon receivers BC-357, BC-1023 and the like Sensitivity

[Revcom Electronics]

I have a new in box BC-1023A receiver that has the manual with it, 'Technical Order No. 08-10-150' and it states the 
"normal sensitivity" for unit varies between 1500 and 2500 microvolts at 1000cps; (30% modulation). 
Have another one not in box. Anyone interested on these items? 
Rod 
K0EQH 
Scott City KS 


From: "ARC-5 List" <arc5 at mailman.qth.net> 
To: "ARC-5 List" <arc5 at mailman.qth.net> 
Sent: Monday, October 13, 2025 12:58:06 PM 
Subject: [ARC5] Mrker beacon receivers BC-357, BC-1023 and the like Sensitivity 



I have been playing with some marker beacon receivers today. 
I found the sensitivity to be low. 

For example, my BC-1023 needs -13 dB signal to activate to out relays. 



I can not find what the specifications for those receivers is ( was ). 

Anyone some info on that ? 

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