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TopBand: ANC-4 vs MFJ Noise Canceller

To: <topband@contesting.com>
Subject: TopBand: ANC-4 vs MFJ Noise Canceller
From: km1h@juno.com (km1h @ juno.com)
Date: Thu, 04 Dec 1997 18:26:54 EST
SNIPS 


>main antenna gain very much. However, I was able to null the "frying" 
>noise
>to S1 and have signals pop up to S4 -a very good S/N ratio. I turned 
>up
>my amplifier slowly and I was able to operate with full output in 
>heavy
>noise and static conditions.
>
>WHAT's NEXT: I contacted Tom -W8JI and offered to buy the MFJ. I'm
>experimenting with a new sense antenna that goes over the front of my
>house to get further away from the transmitting vertical in the 
>backyard.
>If I can get a good enough sense antenna that produces enough noise 
>into
>the canceller, look for me in the pileups......
>
>This test/report reflects only my experience and not that of anyone 
>else.
>
>73, Dick -K5QY

Question:  Can the same antenna be used for both ports?  For instance
many rigs bring the RX line out and back in at the transverter port.
Would splitting the 2 signals and adding a delay line on one port work? 
The MFJ version sounds real promising.

73  Carl  KM1H

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