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lost channels on antenna
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<p>[QUOTE="Rickideemus, post: 115550, member: 12677"]You're welcome. Hey. I started looking into the OMNI UVOX antenna you found on eBay. I even found a guy who posted here complaining about it. It's post #120 from Jimbo in this thread: <a href="http://www.dtvusaforum.com/dtv-hdtv-chat/37960-i-want-hook-up-ota-tv-can-i-use-my-old-direct-tv-dish-antenna.html">http://www.dtvusaforum.com/dtv-hdtv-chat/37960-i-want-hook-up-ota-tv-can-i-use-my-old-direct-tv-dish-antenna.html</a></p><p></p><p>It's buried deep in the thread, so I'll repeat it here:</p><p></p><p></p><p>So the only post on this site is negative. OTOH, I see it got some rave reviews on eBay, with only one complaint. It has its own website: <a href="http://www.omnitenna.com">Omnidirectional TV Antenna</a> . Here are my concerns:</p><p></p><p>- First, it's not really an omnidirectional antenna. Aiming will make a difference.</p><p>- He claims maximum gain of 10.6 dBi on UHF, which is just "OK," but that tells us nothing about how much gain varies at different frequencies. Could be a huge factor.</p><p>- His personal success -- the "evidence" he provides on performance -- is very hard to interpret, because he lives in a mountainous region. Signals bounce around in unexpected ways in the mountains. He claims to get one station that's at NM = -19, in the TVFR I pulled up for that zip, but he completely leaves some very strong stations off his list -- which definitely means he did NOT get those stations. Maybe his exact address is behind a mountain peak or something. Like I say -- hard to interpret.</p><p>- I'm just sure if it was that easy to design a high gain multi-directional VHF/FM/UHF antenna, a major manufacturer would do it. It looks very easy and cheap to build, and it's attractive enough for appeal as an indoor antenna, IMO.</p><p>- In fact, it looks so easy to build, I think it's overpriced!</p><p>- He has a 30 day warranty, but I assume you'd be out shipping both ways on a return.</p><p></p><p>I'm hoping some of the real experts here will look at the pictures to see if it makes any sense. Maybe someone here has tried something similar? Certainly might be an interesting DIY project for someone. If it doesn't work, just pull it apart and you have two 13" UHF loops. The two loops are folded together criss-cross at 90 degrees with no reflector and a regular 300 - 75 ohm balun. Can't be that simple ... :eyes:</p><p></p><p>Rick[/QUOTE]</p><p></p>
[QUOTE="Rickideemus, post: 115550, member: 12677"]You're welcome. Hey. I started looking into the OMNI UVOX antenna you found on eBay. I even found a guy who posted here complaining about it. It's post #120 from Jimbo in this thread: [url]http://www.dtvusaforum.com/dtv-hdtv-chat/37960-i-want-hook-up-ota-tv-can-i-use-my-old-direct-tv-dish-antenna.html[/url] It's buried deep in the thread, so I'll repeat it here: So the only post on this site is negative. OTOH, I see it got some rave reviews on eBay, with only one complaint. It has its own website: [url=http://www.omnitenna.com]Omnidirectional TV Antenna[/url] . Here are my concerns: - First, it's not really an omnidirectional antenna. Aiming will make a difference. - He claims maximum gain of 10.6 dBi on UHF, which is just "OK," but that tells us nothing about how much gain varies at different frequencies. Could be a huge factor. - His personal success -- the "evidence" he provides on performance -- is very hard to interpret, because he lives in a mountainous region. Signals bounce around in unexpected ways in the mountains. He claims to get one station that's at NM = -19, in the TVFR I pulled up for that zip, but he completely leaves some very strong stations off his list -- which definitely means he did NOT get those stations. Maybe his exact address is behind a mountain peak or something. Like I say -- hard to interpret. - I'm just sure if it was that easy to design a high gain multi-directional VHF/FM/UHF antenna, a major manufacturer would do it. It looks very easy and cheap to build, and it's attractive enough for appeal as an indoor antenna, IMO. - In fact, it looks so easy to build, I think it's overpriced! - He has a 30 day warranty, but I assume you'd be out shipping both ways on a return. I'm hoping some of the real experts here will look at the pictures to see if it makes any sense. Maybe someone here has tried something similar? Certainly might be an interesting DIY project for someone. If it doesn't work, just pull it apart and you have two 13" UHF loops. The two loops are folded together criss-cross at 90 degrees with no reflector and a regular 300 - 75 ohm balun. Can't be that simple ... :eyes: Rick[/QUOTE]
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