[mythtv-users] Coax splitters - how painful are they?
R. G. Newbury
newbury at mandamus.org
Sun Sep 30 21:09:21 UTC 2007
> Todd wrote:
>> "R. G. Newbury" <newbury at mandamus.org> writes:
>>> Nope, no premium stuff. That's why I have the antenna. And I doubt that
>>> the cable feed would make it backwards through the amp on the antenna
>> RF is a surprising beast--best not to underestimate it. As the joke
>> goes from an RF guy I worked with once, "FM doesn't stand for
>> frequency modulation. It actually stands for 'f#$@in magic.' Even we
>> folks with our EE degrees have to admit we dont' fully understand how
>> it works all the time."
>> So, let me gently add to the others who've suggested please please
>> dont' screw with the safety of aviation in your area for want of
>> another $100 worth of capture card and a passive co-ax switch box.
>> Passive co-ax switch which even has a remote control for $50
>> $15 passive high isolation co-ax switch:
>> Please do not combine CATV and OTA signals in any way shape or form.
>> The results won't be what you want, and you will be spewing RF noise
>> into the area that'll at the very least cause interference with TV
>> reception among your neighbors, and at worst, will interfere with the
>> safety of aircraft.
> Thank you, Todd, for finding the words which I was clearly unable to
> assemble thirty minutes ago. It is difficult enough to pull a
> transmission from the airwaves under ideal circumstances. It is equally
> incredibly easy to emit spurious noise over considerable distances with
> improper hookups.
> In all seriousness. Be aware of what you are trying to accomplish and
> the the consequences of going about it the wrong way.
> I have reneged at least once on a writeup of RF practices relating to
> various residential situations. IT seems to me that it might be prudent
> to coordinate the collective wisdom and come up with some docs/wikifood
> on RF?
Considering the volume and depth of expertise which my question
elicited, and the fact that NOTHING of this is in the wiki, it appears
that the wiki-beast needs to be fed!
I nominate the meatwad!
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