[mythtv-users] OT - Antenna tuning/aiming
bradallenfuller at yahoo.com
Fri Nov 3 01:33:04 UTC 2006
Brian Wood wrote:
>> You lucky Dog! I have precisely two digital O/A signals here in
>> Cheyenne, one of which is Fox in SD, the other is CBS in HD
>> (sometimes), and neither has anything I'd want to watch. I bought the
>> HD-3000 card for QAM.
I used it for QAM too (comcast) but couldn't really get it to work that
It's working much better OTA.
> You could try and be "scientific" about antenna setup, in which case
> you would need to know the theoretical beamwidth of your antenna. If
> the 3db. beamwidth is 60 degrees or more then you would probably not
> see much difference due to varying directions, remembering that
> antennas are more directional (narrower beamwidth) as you go higher
> in frequency.
As you say, as the freq goes up, the beamwidth gets narrower. I suppose
that is for all antennas.
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