If it were me, I'd first get on 10 meters with my beam, rotate 360 degrees to
see if I can hear it on 10, if I do then I'd get a heading and note how strong
it is. Then I'd get my air band portable radio and start walking to try to
find the pole because that's what it sounds like. If you can't hear it on 10
meters it might be something else. I've found quite a few power line noise
sources around my QTH using that same procedure. After I zero in on a pole I
call the power company, when they come out I go out with them and walk the
power line.
Dale, k9vuj
On 23, Sep 2013, at 10:22, Gary Tuck <gtuck@mac.com> wrote:
> QTH is Portland OR. So we seldom get hard freezes but plenty of rain and
> occasional snow and freezing rain by January. Yesterday it had cooled enough
> in the morning that we turned on the heat. Since the noise was present, I
> turned off our furnace and switched the thermostat as well. Didn't affect
> the noise. The funny thing is that the noise can be constant for
> hours--including very late at night and very early morning, seven days a
> week. I can find no pattern other than the change in the weather.
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