Terk FDTVO

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Is it inside or outside?

By outside do you mean on the roof or a balcony? Can you move it away from the dish? Maybe there's some interference due to proximity. Have your tried other antennas (Yagi-style for example)? Trees, buildings around you?

Hmmm, you might want to consider another type of antenna with possibly a rotor. Mine is on the roof as well but on a 10' tall mast (which makes it about 30' from ground) held securely in place with 3 sets of guy wires. I get more stations than I care to watch but geography and distance (plus LOS) has a lot do with it.

Your tv already has an integrated ATSC tuner (HDTV) so another tuner is not necessary. It may be as simple as elevating your antenna higher than it is now. My antenna is a 25 year old Winegard UHF-VHF antenna with 79 elements. Terks are ok but there are probably better alternatives. You might want to move your antenna around and see if you get more stations. Also, some tv's have better tuners than others so you have to take that into consideration.

If you just post a link to your TVFool report for your address, you'll likely get some suggestions for antennas that may actually work.

You do not need an external OTA digital tuner. Your TV already has one built in. You just need a proper antenna for receiving the channels being used in your area, at your address.

Your signals are strong at your location and are possibly overloading the amplifier in that omni antenna you bought. Omnis seldom work well, anyway, except for receiving channels equally poorly in all directions.

IF your channels of interest are those in green and to the South of you (mostly at the top of your TVFool "digital" option), this simple passive antenna aimed to the South, is all you need.
http://www.walmart.com/ip/RCA-Suburb...-Mast/10828410

If you want more than the main network channels to the south, you may need something larger and probably a rotor, too. One of the larger antennas in the Winegard 769 series would be good. http://search.solidsignal.com/?x=0&y=0&q=769
For what you'd gain, it's probably not worth the effort or expense, though.

The Winegard 8200u is ridiculously large, due to the fact it has old-school elements tuned for lowband VHF. Your only lowband VHF chs are:
KCSO
k04QR-D
K14MW-D
If those channels are of no interest to you, I would not even consider that antenna.

Other than the green stations on your TVFool, what in particular are you wanting to receive? The ANT751 alone would get you a lot more than 5 channels the TERK received, assuming your TVFool is for the correct address.

The 7697 plus a high quality low noise preamp mounted on the mast, would likely get you KICU and KPIX. But, you would also need a rotor to turn the antenna when you wanted to view channels off-axis from your main ones in green.

Forget: KGO-TV KOFY-TV KIXE-TV KRON-TV. Although they appear on the list, their strengths are too weak to be received at your address and antenna height you entered.

So, basically, with a huge 7697 antenna, preamp and rotor, you would probably gain only one or two more channels of interest to you; vs the small ANT751 by itself, which should get at least all your channels in green and probably a few more, if in roughly the same general direction.

Where are you at? Those are my local stations as well. The closest description of the antenna that I have is the Winegard Chromstar 2000 series, model CA-8100. But like I said, that was purchased over 25 years ago. 42 UHF elements and 37 VHF elements. It is a big beast but has been rock solid for all of those years regardless of environmental conditions. In fact, I have a rotor but have never really needed to use it because
everything I want to watch I can get having it pointed in one direction, including the stations you list. 30' from ground to top of antenna mast is considered a good height for most situations.

Oops. I see you're in Sacramento trying to pull in Bay Area stations. Yeah, you may just be too far away regardless of antenna size.

I appended my post but yeah, I saw that. You may be SOL for those stations