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Old January 10th 06, 01:13 AM posted to rec.radio.shortwave
 
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Default SW and FM bands have high-pitched whistle..... please explain


Buzzygirl wrote:
Almost sounds to me like electrical noise/interference coming from somewhere
nearby. I've had this problem as well. I tried not using the AC adapter that
came with it, that helped somewhat. If I'm running appliances within 20 feet
of my KA-1102 (like the dishwasher, computer, modem, etc.) I hear the
buzzing you're describing.

My Christmas tree's lights made for a nice rhythmic buzz over the holidays.
Had to turn them off each time I wanted to listen to my radio.

I would try taking the radio to an electrically-quiet area (like an empty
beach, hilltop, or somewhere like that) and then see if you can hear these
noises.

Good luck!

Jackie


Hello Jackie,

Your post is very comforting (i.e. Suggesting that there is nothing
wrong with my radio), and it also gave me an idea.

I will try another AC-DC Adapter, and I'll also try turning off the
building's MAIN electrical switch. (i.e. That'll make for an
electrically-quiet area)

I also hope for both our sakes, a knowledgeable SW radio group member
can suggest a workaround that doesn't require us to go to such drastic
extremes.

Thanks for responding.

Kindest regards,
SW Newbie,
Yerodin P.