[Elecraft] K2, PSK31 & microphone

[Nigel KC8NHF/G8IFF]

If you disconnect the ground connection to the average PC, the chassis 
will sit at half supply potential above ground.
That's potentially 120V between your computer and radio, more than 
enough to damage the radio.


Jim Harris wrote:

>Someone mentioned about floating, that is
>disconnecting, the ground of their computer to
>eliminate ground loop(s). 
>
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Nigel A. Gunn. 59 Beadlemead, Milton Keynes, MK6 4HF, England. 
Tel +44 (0)1908 604004
e-mail nigel at ngunn.net or  nigel at ngunn.demon.co.uk
www    http://www.ngunn.net  or  http://www.ngunn.demon.co.uk
Amateur radio stations  G8IFF, KC8NHF
Member of  AMSAT-UK #182, ARRL, GQRP Club, QRPARCI, SOC #548  RAYNET
           Flying Pig #385, Dayton ARA #2128, AMSAT-NA  LM-1691,
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