[mythtv-users] Signal strength, DVB-T
George Mari
george_mythusers at mari1938.org
Fri Feb 1 14:30:09 UTC 2008
Bruce Richardson wrote:
> MythTV typically reports a 30% to 35% signal strength - sometimes as low
> as 26% for Mux C - on the DVB-T channels I get (Nova-TD, external
> aerial, Crystal Palace transmitter.) This doesn't seem to be a problem
> for the picture quality but is it very low? Should I be buying a signal
> amplifier?
>
I'm not sure about across the pond, but here in the states, that would
be low for OTA reception, in general, and depending on how recent your
receiver's chipset is, would probably result in the occasional signal
dropout.
The conventional wisdom on whether a signal amplifier would help is
specific to your particular situation - how far you are from the
transmitter, sources of radio noise at your location, density of trees
and/or tall buildings between your antenna (aerial?) and the
transmitter, and whether your antenna is mounted outdoors or in the attic.
I use an amplifier in my setup, but only because:
1. my antenna is in the attic, and the building materials the signals
pass through lower the signal strength
2. There is a particularly low/powered station I would like to receive.
Your best bet is to seek out other people in your area either in person
or on-line, and ask what works for them. For those of us in the US,
there are several active threads for OTA reception at avfsorum.com, but
I don't know of anything similar for overseas locations.
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