If it were me, I would get joy out of smashing it !!!
On Tue, 6 Nov 2018 21:15:35 -0500 "Sam Josuweit" <samjos@epix.net>
writes:
> So after taking a few years off from radio, over the summer I decided
> to
> rebuild my station and antennas and get back on the air. Was doing
> fine
> until a few weeks ago, my noise level was S9 on 80 meters. Using a
> beverage
> it was ok but on my TX antenna it was 120hz hash. I tried everything
> to
> locate the source, unplugged computers, Directv, DSL modem, freezer
> you name
> it, checked my entire ground system, it still was there. To make
> matters
> worse after listening to it on AM I noticed I could hear the local
> NOAA
> Weather radio station, which is on 162.55 MHZ FM! Now the local
> transmitter
> for NOAA is on the next mountain over and line of site with my
> remote QTH,
> but 162MHZ to 3.7MHZ?? This really had me stumped, and I was just
> about to
> give up. I have an old farm house and don't have too many power
> outlets, but
> I realized I missed checking the one in our bedroom, and there sits
> my NOAA
> weather alert radio. Unplugged it and the hash was gone. Since these
> radios
> monitor constantly for alerts, they must just mute the audio when
> not in
> use. Apparently something in the radio power supply failed causing
> the power
> noise, which was then getting modulated by the muted audio. This
> was
> propagating thru my whole electrical system. I'm just glad I found
> it.
> Debating if I should take a look at the weather radio or smash it
> with a
> sledge hammer.
>
>
>
> Sam (N3XZ)
>
>
>
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