Considering that s9 is around  100 microvolts. That’s pretty deaf right out of the box!
Why are built with such low sensitivity?


Sent from my undisclosed bunker location

On Monday, October 13, 2025, 2:21 PM, Revcom Electronics <[email protected]> wrote:

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" <[email protected]>
To: "ARC-5 List" <[email protected]>
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 ?


______________________________________________________________
ARC5 mailing list
Home: http://mailman.qth.net/mailman/listinfo/arc5
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]

This list hosted by: http://www.qsl.net
Please help support this email list: https://www.qsl.net/donate.html
______________________________________________________________
ARC5 mailing list
Home: http://mailman.qth.net/mailman/listinfo/arc5
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]

This list hosted by: http://www.qsl.net
Please help support this email list: https://www.qsl.net/donate.html