This sounds very similar to the JPS ANS-4 Noise Canceller I have.

It can be very effective against some kinds of noise.  Until I banned 
light dimmers from the premises it was essential.

Replacing the noise probe with a second antenna, the unit can 
function as a phaser, though the controls are a bit course for good 
tuning in that mode, compared to something like the Quantum Phaser.

Curt
-------
W. Curt Deegan
Boca Raton, (southeast) Florida


At 04:36 PM 1/10/2007, you wrote:
>John,
>
> >>Is this some sort of antenna phasing device?<<
>
>Yes.  You input the "real" antenna, and a stubby one to pick up local
>noise.  You can adjust the phase and balance between the two for the
>best noise reduction.  There's also an RF amp to overcome any losses,
>but I find it effective as a broadband preamp.  It's supposed to be usable
>to 60 mHz, but I haven't tried it above 15 or so.
>
>Gordon (Don) Bell, [EMAIL PROTECTED]


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