[Elecraft] KX3 BC Breakthrough

[Igor Sokolov]

Ron,
Switching preamp off does not help here. Shifting IF is the ultimate cure. 
Besides I need preamp on on 10-15 meters most of the time to pull out weak 
signals. Sometimes I need it even on 20 m.

73, Igor, UA9CDC
----- Original Message ----- 
From: "Ron D'Eau Claire" <ron at cobi.biz>
To: <elecraft at mailman.qth.net>
Sent: Friday, August 16, 2013 2:36 AM
Subject: Re: [Elecraft] KX3 BC Breakthrough


> If turning the Preamp off fixes the problem, that would be my first choice
> as long as I can hear the noise level drop when I disconnect the antenna.
>
> If removing the antenna doesn't cause the noise level to drop, then the
> preamp is likely useful for hearing weaker signals. In a QSO I'd still 
> turn
> the preamp off to see if it affects my ability to hear the other station.
>
> Putting too much gain at the antenna input compromises the performance of
> any receiver
>
> 73 Ron AC7AC
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Igor Sokolov
> Sent: Thursday, August 15, 2013 1:19 PM
> To: Paul Barlow; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] KX3 BC Breakthrough
>
> Paul,
> I have this direct AM detection on my KX3 every day mainly on 20-15-10 m
> bands/ I would not call it a problem because shifting IF 8 kHz solves it
> 100%. Although this disables dual RX but one seldom (if ever) needs it on
> this portable  QRP transceiver.
> Yet the radio is the best available choice for traveling and it has got 
> very
> good receiver.
>
> 73, Igor UA9CDC
>
>
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