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In Reply to: RE: HD Video Receivers posted by Bahr on March 15, 2009 at 16:00:46
Hi there> I'm using a directional HD ROOF antenna pointed towards the towers that are about 8 miles away
How old is your TV antenna?
Is it securely mounted (i.e. does it sway in the wind)?
If it's a Yagi antenna, are all the elements in place?
Are the downlead (should be coax) connections weatherproofed and not corroded?
How big is the antenna? If it has too much gain, you might be overloading the tuner input.Reception problems specific to a few channels are typically not caused by the tuner, unless those channels are correlated by band, e.g. VHF-low or -high or UHF.
BTW there is no such device as an "HD(TV) antenna". That's just marketing hype for an ordinary TV antenna. There are some new antenna models appearing that are optimized for the post-transition UHF and VHF bands.
Regards
Edits: 03/17/09 03/17/09Follow Ups:
then I think it would be reasonable to call it an "HDTV antenna". Unfortunately those so-called are almost 100% not so optimised...yet. Most are still optimised for high UHF channels which will no longer be used.
I know Antennas Direct has a newish model or two that are optimised for post-transition HDTV. Their popular DB2/4/8 are not, nor are the ChannelMaster 4221/8 yet.
As blue-z says, signal overload is very possible (and not uncommon) with HDTV signals and many current HDTV tuners. I don't know why, don't know enough, I'm in a location "just far enough" from U.S. and local Canadian towers that it's not something I run into.
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