[ARC5] Spot switch for the ARC-5 transmitter

[David Stinson]

On 9/27/2020 11:31 AM, J Mcvey wrote:
 > Yeah, I 've done that mod for the ARC receivers, but I'm a bit 
frustrated with their selectivity for regular usage.
 > I'm trying to pair the transmitters with a R392 which is 10X more 
sensitive.
 > A BC 348 would probably be a better choice... ( at least it has a CW 
filter) but I think they killed it during Tx with the AGC and the 
antenna relay if memory serves...
 >

Yes, but in the original installations (SCR-287),
they installed a switch that shorted the RX Mute line,
keeping the receiver full-on, specifically for spotting.
That's how mine is done and it works fine.
73 Dave S.


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