[AMRadio] frequency sweeper


Bernie Doran qedconsultants at embarqmail.com
Thu Jan 21 11:10:33 EST 2010


NO not this, way to smooth and clean carrier, no neighbors for 1/4 mi. and I 
have observed it as low as just above BC to 40 meters ----- 
From: "Bob Macklin" <macklinbob at msn.com>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Thursday, January 21, 2010 10:33 AM
Subject: Re: [AMRadio] frequency sweeper


>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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>
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