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Originally Posted by gtrippleb
Would there be enough signal to be able to split the signal in two? I'd be looking at hooking up another tv for a two of two once I went this route with the antennas.
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Yes, I think that with the higher gain of the 4221 and the Yagi, you'll have enough signal for a two way split. If you need to split it more or if you think you're going to have some long cable runs (more than say 50 feet), then I'd consider adding a low-gain pre-amp on the mast (like the Winegard HDP-269).
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I'd be looking at hooking up an antenna to my home stereo and was wondering if I could use one of the suggested antennas or if I would need to buy a seperate FM antenna? I've read/heard that some tv antennas will work to bring in FM signals.
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Antennas designed to cover low-VHF (ch 2-6) will work for FM because FM frequencies (88-108 MHz) are actually right above channel 6 (82-88 MHz). Since a low-VHF TV antenna has high gain on channel 6, it will still have pretty high gain across all the FM frequencies too.
High-VHF (ch 7-13) goes from 174 MHz to 216 MHz. Since there's a big frequency gap between FM and channel 7 (108 MHz to 174 MHz), a the gain of a high-VHF antenna (like the YA-1713 or Y10-7-13) will not effectively cover the FM frequencies. If you have very strong local FM broadcasts, some of the signal can still go through the antenna, but it's nowhere near the signal level you'd get with a low-VHF antenna.
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Is there that much difference between the Winegard YA-1713 or Antennacraft Y10-7-13 and then the smaller versions you listed, (Winegard YA-6713 or Antennacraft Y5-7-13)?
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The smaller versions of these Yagis get about 3 dB less gain than their larger counterparts. The performance difference between the two brands is close enough to be considered negligible. Winegard has a slightly better reputation for build quality and design, but I don't see any major issues going either way.
The added gain of the larger antennas might help if you are planning to split the signal, but since your signals are so strong to begin with, I don't really see a problem going with the smaller antennas. It's mostly a matter of how much extra margin do you want to maintain in order to minimize the chance of pixellation and/or channel drop-outs during bad weather or other random events that might cause signal fluctuations.