----- Original Message -----
From: "J. Leon Pringle, Jr and Audrey S. Pringle"
<pringle50@comcast.net>
To: "Jerry" <k0hzi@attbi.com>
Sent: Sunday, May 11, 2003 11:58 AM
Subject: Re: [RFI] Two meter interference
> Jerry:
>
> It sounds like you have a cable provider that uses an offset
frequency
> on channel "E". Typically the offsets used in the the aeronautical
> band between 136-150Mhz is + or - 12.5Khz. That would explain why
> you say it is real bad between 145.260 and 145.265.
>
> Contact your cable operator and ask to speak with their Technical
> supervisor or System Engineer.
>
> The cable operator may very well not be at fault and the problem
could
> be from something a customer has connected or perhaps altered the
> cable companies lines. (viz: no shielding integrity, poor
> interconnecting cables on VCR's, adding extra splitters that are not
> RFI'd etc)
>
> Be nice in dealing with them but be firm and don't back off as even
if
> the cable company didn't cause the problem, it is responsible for
> maintenance of its system under FCC rules can be punished for
failure
> to prevent interference to authorized licensed services. (Cable has
> secondary use of 145 Mhz as that is primarily an amateur radio
> assignment. Good Luck!
>
> 73,
> J. Leon Pringle, Jr. W5NA
> retired Cable System Engineer
>
>
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