http://elecraft.85.s1.nabble.com/K3-S-meter-oddities-tp6676870p6799785.html
> It actually does it with a blank phone plug inserted. As soon as the plug
> goes in, the S meter jumps up. The signal itself does not change, just the
> meter reading. I have not examined the area around the jack inside to see
> if there is anything odd. That may be next.
>
> Phil
>
> -----Original Message-----
> From:
[hidden email]
> [mailto:
[hidden email]]On Behalf Of Bruce Beford
> Sent: Thursday, August 11, 2011 2:54 PM
> To:
[hidden email]
> Subject: Re: [Elecraft] K3 S meter oddities
>
>
>> When I plug my headphones into the K3 the S Meter jumps up about 5 s
>> units. This unit is running 4.31 FW. I obviously have not tried new
> 4.39.
>
>> Just curious if anyone else has seen this.
>> Mike W0MU
> My K3 s/n 559 running 4.39 does -not- exhibit this behavior. As far as I can
> recall, it never has. Using Koss and Yamaha phones here. On what bands/under
> what conditions? Is it possible you are actually coupling some kind of RF
> (not necessarily ham transmissions, but something else in the house/shack)
> back into the rig from within your environment via the phones lead?
> GL,
> Bruce, N1RX
>
>
>
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