[Elecraft] K3 RFI in transmitted audio [End of thread]

[ab2tc]

Hi all,

Just for the record, here is what I am doing for "grounding" and "bonding".
Outside the shack I have all coaxes coming to an entry point near a basement
window where they go through. The coax shields there are all connected to a
8' grond rod near the entry point. This ground rod is also bonded to the AC
utility entry box which is nearby. So far I think I am legal. Inside there
is nothing "bonding" equipment together except the 3rd wire on the power
cords to the various equipments. The K3 has isolated audio connections so
that's not a problem. My most recent change is to get rid of my USB to
serial adapter and instead use a serial to Ethernet adapter computer
connection. I do not have a serious problem with birdies from my computer
system. I do have some birdies from my network but they are definitely
picked up by my antenna(s) and not by improper shielding and grounding. Am I
doing anything wrong here? 

BTW my MFJ 4125 power supply definitely has the V- connected to the chassis
and the AC plug ground, but it doesn't seem to be a big problem. I have
looked inside and it doesn't look like it's easy to fix.

AB2TC - Knut

 for my 

David Herring-3 wrote:
> 
> Yes please do post back here the final outcome. While not strictly an
> Elecraft issue, it is one of interest.
> 
> Specifically, I'd like to know how one would properly bond equipment (I
> guess for DC and audio purposes) AND RF ground the same equipment at the
> same time. 
> 
> Thanks and 73,
> Dave
> AH6TD
> 
> Sent from my iPhone
> 
> <snip>
> 

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