Run the KX3 on battery and turn off your house mains and see if the
noise goes away. If not you know to start looking elsewhere. You might
also try the RFI reflector.
Mike W0MU
On 5/1/2014 10:47 PM, Niel Skousen wrote:
Good Evening All,
Questions and Advice sought, i will report back on results...
(cross posted to qrp-l, elecraft, and kx3)
I live in a rural area, which should be very low noise. i put up a OCFD
(88:44) this afternoon, and tonite wandered on to 80m to listen and check the
antenna. I had 20db over noise everywhere. 40m was showing S4 noise, and I
could only copy about 4 or 5 stations above the noise on 40m (yep, NR and NB
both on, 400hz wide).
nearest neighbor is 1/4mi away, and I'm the last one on a rural overhead power
line.
So, Given a KX3 and internal batteries, my first thought is to build a small
multi-turn electrostatically shielded loop (1ft dia, 3-5 turn in a copper pipe,
1" gap at top) and see if I can localize any local noise sources.
my office and computers are prime targets of course...
Is this overkill ?
Recommendations for a better small / near-field noise pickup ?
Any other advice for first steps ?
Anyone else chased noise sources with their KX3 ? How did it work, what
antenna did you use ?
Other suggestions / recommendations ?
TIA, 73
Niel
WA7SSA
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