[Elecraft] Weird Problem with rcvr sensitivity - more

[KJ3D]

Thanks, John...

but it's not a bad connector.  I have also confirmed that the KAT100 is not
the problem, and it occurs on SSB as well as CW.  It is also not confined to
>75 watts, seems to happen just about anywhere above 10 watts.

I'm just sure I read about someone else having this problem, I sure hope he
reads this.

Tom. kj3d


----------------------------------------------------------------------------
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From: John [mailto:jschneid at hughes.net] 
Sent: Thursday, June 21, 2007 6:27 PM
To: KJ3D
Subject: Re: [Elecraft] Weird Problem with rcvr sensitivity


Hi Tom,

Check your coax connectors, could be a little corrosion. I've had it happen
to me several times over the years.

John
k7up  

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of KJ3D
Sent: Thursday, June 21, 2007 6:14 PM
To: 'Elecraft Discussion List'
Subject: [Elecraft] Weird Problem with rcvr sensitivity

Good Evening Group,

I believe I have seen this problem, but I cannot remember the solution.

K2/100 (4991, all mods).  Above 70 w, and after a short string of dits and
dahs - maybe like a CQ, the receiver comes back about 15 dB down from where
it was.  Very noticeable.  After a random string of dits and dahs, it comes
back up.  

I've tried this with all manner of settings of AGC, DSP, noise filters etc.
etc.  Can't find anything that contributes to the problem except power.  The
antenna is resonate, but I do have KAT100 in the line.  Everything works
perfectly below 70 (or so) watts.

Anybody remember the solution?

Thanks, es 73

Tom, KJ3D

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