[Elecraft] K3 Sub Rx antenna input choices

Ken Kopp k0pp at rfwave.net
Thu Dec 31 01:47:14 EST 2009


Hi Stan,

There's one way to tell ... give it a try. (:-))

I would expect any mismatch would be easily detected by
careful listening or watching the s-meter while tuned to a
stable signal while you plugged in one and then the other.

I think it would be difficult to find a "Y" TMP, however.
Female TMP's are scarce.  To make my adapter cable
I salvaged a PC mount female from a Motorola UHF exciter
board.

73! Ken


----- Original Message ----- 
From: srife at swbell.net 
To: elecraft at mailman.qth.net 
Sent: Wednesday, 30 December, 2009 02:52
Subject: Re: [Elecraft] K3 Sub Rx antenna input choices


I'm thinking of a relay at that point to switch between them. But
then I guess there goes your isolation afforded by the BNC.
Would a Y cable affect the input Z enough to affect the gain?


Stan Rife 
W5EWA 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ken Kopp
Sent: Tuesday, December 29, 2009 3:05 PM
Cc: elecraft at mailman.qth.net
Subject: [Elecraft] K3 Sub Rx antenna input choices

I purchased my sub-receiver for one specific use ... to monitor
6M for band openings while the radio might tuned to another 


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