Cutting the cable, Digital TV receiver questions.
After doing some more research I see that I only need to buy antennas for the tvs which already have tuners built in. The question now..... What is better? multiple antennas or one exterior antenna wired to all the t.v's. Can I link the exterior antenna through my current coaxial system left behind by the cable company. Any suggestions on the hardware?
Yes, you can use the existing coaxial system in your house (especially if it's decent quality RG-6 or better).
How far are you from the nearest cluster of broadcast stations (normally in the city)? The more distant you are, the greater the need for a high mast and a high gain directional antenna.
If you live in the suburbs: Get a really good external antenna (with a high mast if possible), then use a preamplifier near the antenna to boost the signal level (and improve SNR over long cable runs). The higher signal level will also compensate for the attenuation as the signal gets split to multiple RF outlets in the house.
If you live in the city and the stations are all around you (within 10 miles), then indoor antennas should work just fine (one antenna per TV). In such cases, directional external antennas may not be the best idea (unless you're using an antenna rotator).
You can check what stations you can get OTA using this tool (type in your address):
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