[AMRadio] frequency sweeper


Bob Macklin macklinbob at msn.com
Thu Jan 21 10:33:10 EST 2010


I had a sweeper here a couple of years ago. It showed up suddenly. Then I 
noticed my neighbor had a new motorized wheelchair/scooter. It turned out to 
be the charger for her scooter.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Jim Tonne" <tonne at comcast.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Thursday, January 21, 2010 7:15 AM
Subject: Re: [AMRadio] frequency sweeper


>
> Bernie:
>
> Is it a repetitive thing, sweeping the same range
> over and over?  Or does it sweep just once and
> stop?
>
> If it is repetitive, sweeping a 100 kHz or so from
> start to finish, at several times per second, I
> have an idea of what it is.
>
> - Jim W4ENE
>
>
>> they appear to
>> e unmodulated and as a wild guess appear to move about  75
>> to 100 KC per
>> econd.   My first guess is that they are some sort of
>> propagation testing
>> canner.
>
>
>
>
>
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