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No, I have not purchased any of the equipment, and yes, I now see that no one has the Y5713 in stock anymore.
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Right. There are a few Y10-7-13 left, but their beamwidth is even more narrow. The supply of VHF-High antennas by all manufacturers is drying up.
Does ANYBODY make a dedicated VHF-Hi antenna?
http://www.avsforum.com/forum/25-hdt...i-antenna.html
It is possible to use a UHF/VHF-High combo antenna for VHF. When you connect it to the UVSJ VHF port, it will pass VHF and block any UHF that doesn't exceed the specs.
http://www.hollandelectronics.com/ca...-Diplexers.pdf
The Winegard HD7694P might work. It has more gain on VHF-High than a dipole antenna and other small VHF-High antennas which you will need because CBET is a lot weaker than your other channels.
If you check the specs for the CH 7 and 9 beamwidth of the 7694, you will see different answers, from different sellers. Even Winegard gives different answers. I tend to trust the polar patterns done by the antenna engineers.
http://www.skywalker.com/catalog/Manuals/WIN1051.pdf
Your signals are extremely strong, possibly in tuner overload range, if you add the antenna gain to the 77.9 dB Noise Margin and the -12.9 dBm Pwr of WDIV, but as timgr said the signal attenuation caused by the attic, trees, and buildings is unknown. If you do have an overload problem, you might need an attenuator after the antenna.
Interpreting Noise Margin in the TV Fool Report
http://www.aa6g.org/DTV/Reception/tvfool_nm.html
Your signals are so strong that if you are into experimenting you might consider using the 7694 for VHF and a lower gain antenna for UHF like the Antennas Direct C2 (70 degrees) or the UHF section of the RCA ANT751 (I can't find beamwidth specs}.
You also have some very strong FM signals and will probably need an FM trap/filter or 2 in series to protect 7 and 9 from interference. A HLSJ can also be used as an FM filter.
I see a lot of trees in your estimated area. I hope you can get your antenna/antennas in a location that has a clear path above or through them. Trees really mess with UHF signals.
http://www.hdtvprimer.com/antennas/siting.html
scroll down to
Trees and UHF
Please let us know how your tests come out in this same thread.