[Elecraft] KPA 1500 and receiver noise

[Dave]

My 1500 had birdies which were reduced with adding load resistor to the 50 volt supply on the amp. Still present but much lower. 

Dave wo2x

Sent from my waxed string and tin cans. 

> On Dec 29, 2019, at 1:26 PM, K0RKH <robertkhand at hotmail.com> wrote:
> 
>               I am looking for possible causes of increased receive noise I
> am experiencing whenever I turn on my KPA 1500 .   I have always had this
> issue but at first disregarded it as maybe common mode noise but have since
> experimented a bit by connecting a dummy load to the receiver and producing
> the same results.
>             The receiver is a K3s model and I have taken several
> opportunities to bond all equipment and tried ferrite #33 beads in several
> places with no change in results.
>             Has anyone else on this site had the same problem.  The noise
> is the greatest on 6 and 10 meters where it would show up as more of a
> problem as well with a +20-db noise on 6 meters and +10-db on 10 meters.
>                     Bob   K0RKH
> 
> 
> 
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