[Elecraft] Ether Nets and Interferrence, redux

Tom tom.koeken at home.nl
Sat Dec 31 12:12:32 EST 2005


Hi Tom

2 remarks:
1 If you are still using a CRT-screen for the PC than change it as soon as 
possible for a TFT-screen. QRM of a conventional CRT-screen is enormous.

2 Please check on your (remaining) CAT5 cables; for ham-radio use they 
should be shielded. They cost a few cents more, but they realy add by 
eliminating unwanted radiation.

72/73 HNY Tom PC5D
K2/100 SN 2709


----- Original Message ----- 
From: "tom.w3qs" <tom.w3qs at verizon.net>
To: <elecraft at mailman.qth.net>
Sent: Saturday, December 31, 2005 4:08 PM
Subject: [Elecraft] Ether Nets and Interferrence, redux


> Good Morning Group,
>
> A lot has been written about interference from Ethernets, and I would like
> to share my latest experiences.

> As of this morning, the 269 hetrodynes was down to 78, with 52 of those
> positively attributable to the CRT monitor.  Of the remaining 26, many are
> probably internal to the K2, being harmonically related.  I'll work on 
> those
> with another receiver later.
>




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