[RFI] Question about excess cable length & RFI
jim at audiosystemsgroup.com
Mon Jan 8 23:06:48 EST 2018
Before you do ANYTHING:
1) Buy and study the new ARRL Book on Grounding and Bonding;
2) Download and study the slides for my tutorial talk on that topic
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
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,
> RFI mailing list
> RFI at contesting.com
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