[1000mp] Bad Antenna Relay?

Wed, 15 Oct 2003 01:43:18 -0700

1. The reason the problem keeps coming up is that Yaesu does not deal with
it.

2. Clearly not all MP's exhibit the problem.

3. In my case, the gain does not come back up by itself.

Garry, NI6T

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Thomas Horton
Sent: Tuesday, October 14, 2003 5:35 PM
To: [email protected]
Subject: RE: [1000mp] Bad Antenna Relay?

I've had my MP for quite a while and have never noticed this at all.
Don't think it is a built in AGC problem.
73,
 Tom

Tom Horton
[email protected]
"E" Sorter for the ARRL W5 Bureau.

> [Original Message]
> From: Barry N1EU <[email protected]>
> To: <[email protected]>
> Date: 10/15/03 00:16:55
> Subject: [1000mp] Bad Antenna Relay?
>
> " . . .the observation is a reduction in gain . . ."
>
>
> Isn't it fun to rehash old ground?  This issue comes up every year or so,
> and was sometimes referred to as the "deaf rx" problem.
>
> So yet again, I offer up my contrary theory that it has nothing to do
with
> relays but is a problem with the way the MP controls rf/if gain.  As I've
> noticed several times on my MP, the receiver can be deaf and then slowly
the
> gain comes back up over the course of several seconds while I'm just
> listening without keying the rig or touching anything.  Which isn't to
say
> that I haven't also noticed the gain come immediately back up after
keying
> the rig.
>
> Yup, the MP has its warts - in particular this deaf rx problem and the
> recently discussed slow unmuting of fast AGC.  I wonder if the Yaesu mod
> that Anders spoke of for the latter might help the deaf rx prob also?
>
> 73,
> Barry N1EU
>
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