I try and coil my excess power cords, etc on ferrite cores... Maybe 6
to 8 turns, on each core.
73s and thanks,
Dave
NK7Z
http://www.nk7z.net
On 01/08/2018 08:06 PM, Jim Brown wrote:
Hi Greg,
Before you do ANYTHING:
1) Buy and study the new ARRL Book on Grounding and Bonding;
or:
2) Download and study the slides for my tutorial talk on that topic
http://k9yc.com/GroundingAndAudio.pdf
AND
3) Download and study my tutorial on finding and killing receive noise
http://k9yc.com/KillingReceiveNoise.pdf ; (Written tutorial)
http://k9yc.com/KillingRXNoiseVisalia.pdf (Slides for talk at Visalia)
Do NOT cut power cables short -- if the gear is noisy, you may need to
use the extra length to wind ferrite chokes. Bonding cables SHOULD be
short.
73, Jim K9YC
On 1/8/2018 6:33 PM, Greg Newberry wrote:
Hello all,
I've been following the forum for a while and learning a great deal
about RF, RFI, etc. So I'm in the process of cleaning up my ham shack.
Putting in a SPG (single point ground) and in general, being
pro-active about RFI.
One thing I'm not sure of; what should I do with the excess length of
power cords. i.e. A 6ft cord on my computer, but it's only two feet to
the outlet. Extra length on wall warts, audio cables etc. ?
Coil them up, bunch them up? I don't really want to cut them all down
to length, as I do move things around.
Thanks in advance,
Greg
WB7DUO
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