[Elecraft] Spurs on 15m from new laptop
Barry
w2up at comcast.net
Thu May 17 17:04:39 EDT 2012
I have a bunch of the split ferrites with a hole to fit RG-213 coax on hand.
Got 2 turns through the hole and used 3 of them with complete elimination of
the noise.
Barry W2UP
.
Jim Brown-10 wrote
>
>
> Don't wrap the cable with ferrites, WIND turns of the cable through a
> ferrite core. #31 or #43 material work fine, at least five turns
> through a 2.4-in o.d. toroid, at least three turns through a clamp-on
> that's at least 1 inch long.
>
> More advice in tutorial form -- http://audiosystemsgroup.com/RFI-Ham.pdf
>
> 73, Jim K9YC
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