Thread: battery tender
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Old 06-15-2012, 11:07 PM   #9
KC1BUD
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Join Date: Jun 2008
Location: Gateway to the thumb
Posts: 243
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Quote:
Originally Posted by N3LYT View Post
I was hearing a noise that sound exactly like an old record player when the record came to the end of the record . I heard it on 10 from over 300 yards away and in the mobile as I came up the drive. I killed power to the entire house and it went away started tripping different breakers and narrowed it down to the garage. Started tripping garage breakers and found the battery tender hooked up to my VW that sits for weeks on end. It's a little 2 amp charger so the garage overhead wire must be a exact multiple of 10 meters got to look into that makes a really good 10 meter tx antenna. Wonder how many other things are out there like that we drive by ever day.
Years ago before I got my ham license I was listening to shortwave in my basement shop on a wire antenna that I had strung overhead on the floor joists. My young sons (they are now 26 and 36) were playing in the bedroom above me. Imagine my surprise when, as I was tuning the dial their voices came over the speaker crystal clear. As it turned out, the wire which I had pulled tightly and stapled was tight enough to vibrate when they talked and this just happened at a frequency that I was tuning past at the time. Somehow the radio's signal detector circuit saw that as a radio signal.
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