Jim Brown wrote:
> On Thu, 27 Aug 2009 04:15:10 -0700 (PDT), Luciano Nachif wrote:
>
>
>> Am I right when I say those few places where I hear the 29.207
>> signals are the strongest ones so they actually are the leaking
>> spots?
>>
>
> Yes. And the most likely cause is a bad connection of the coaxial
> cable shield. These connectors are crimped onto the cable, and
> it's easy to have a bad connection if the worker is careless, or
> if the wrong crimp tool is used, or if the crimp connector does
> not match the cable (each cable type requires a slightly different
> connector based on small differences in cable diameters and shield
> type).
>
> BUT -- another common cause of leakage is an illegal connection
> made in homes by someone who doesn't want to pay the cable
> company.
>
>
The most common one is where people have an outside antenna connected
directly to the set input along with the cable *without* and A/B
switch. If there are outside antennas in the are this would be another
check .
73
Roger (K8RI)
> Another tip for locating the leakage points -- take a VHF talkie
> and look for the trash next to the cable. Before you start
> walking, listen to the cable on the talkie and tune in some
> signals that you know are coming from the cable. Then put the
> cable back together and listen for that signal next to a cable
> splice that you suspect may be bad.
>
> In general, the higher in frequency that you are able to chase a
> broadband radiated source, the closer you will be able to "home
> in" on it.
>
> There are a few guys on email lists that I read (maybe this one)
> who have recent experience with CATV, and may have more advice for
> you.
>
> 73,
>
> Jim Brown K9YC
>
>
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>
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