[aprssig] RE: Two meter freqs in cable/TV systems

Mike Nettles Mike_Nettles at centurytel.net
Sat Mar 12 08:52:11 CST 2005

A few years ago I had someone from the neighborhood show up at my door,
asking why I was messing up Cable CH 18? I had a packet bbs system that
forwarded at all times during the day. I was able to explain to them that
the cable system is supposed to be a closed system so nothing gets out and
nothing gets in. The problem was the cable installer was telling everyone
that I was responsible. I visited the local cable company and had a talk,
explained I was well below my RF output that I was allowed to use and well
grounded and wanted thier cable guy to stop pointing to my tower when he was
in the neighborhood and saying "thats it right there".
Did they fix it? No, they put CSPAN on channel 18 and moved Cinimax to ch
19. Now the local PD tears it up..
The neighbor never came back to my house.
Just one experience,
Mike kb5wbh

----- Original Message ----- 
From: "Little Dog" <steve at kcwings.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Saturday, March 12, 2005 00:54
Subject: [aprssig] RE: Two meter freqs in cable/TV systems

> Chris, My point was that the rules state that we are a licensed service
> and that any interference caused by an unlicensed service for the
> frequency must cease operation until the interference is resolved. It
> only happens when the interference is caused by an individual or a small
> company using illegal radios. All of these "incidental radiators" that
> also should be shut down, aren't.
> The FCC never has and never will follow their own regulations. My point
> is that we are low man on the totem. We just have gotten use to it when
> it comes to the cable systems.
> We don't "share" the spectrum with the cable company. They, along with
> BPL, are "incidental radiators". That is, frequencies that get out of
> "closed" systems that radiate in the open. So from that vantage point,
> they are apples and apples.
> Steve - WV0J
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