[RFI] Another Noise Source

[Pete Smith]

At 10:36 PM 9/22/03 +0100, John Gagen wrote:

>This has the symptoms of RFI from high speed internet services offered by
>the cable TV companies. Many cable companies are now using the HF frequency
>bands for subscriber uplinks on this service. I recently had a major problem
>here with Cablevision wiping out the 40 meter amateur radio band.
>
>You will have to do some more tracking of signals but put leakage from cable
>TV internet service on your list of suspects.

Pretty easy to find, if so.  Make a sniffer for a portable SW receiver and 
take it out to the box where cable comes into the house.  There should be a 
definite peak as you put the sniffer coil close to the box.


73, Pete N4ZR
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