Welcome, Huntington:
Your tvfool report and test results support your conclusion; an outdoor antenna will be needed in a location that will avoid the trees and other buildings as much as possible, especially in the 260 degrees true direction.
You will need a high gain VHF-High/UHF combo antenna like the Winegard HD7698P and a Channel Master 7778 preamp. An alternate preamp is the Antennas Direct Juice. The preamp should be mounted close to the antenna, which gives better results than an amp further down. The antenna should be aimed at 273 degrees magnetic using a real pocket compass.
Your weakest channel will be WNYW for Fox.
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I have two TV's to connect. One might have about 30 feet of cable from the splitter and the other might have about 50 feet.
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Try just one TV first, then add a splitter for two TVs after the power inserter for the preamp. That will tell you if you also need a distribution amp.
If your TV has a signal strength indicator, that will tell you how weak a signal can be and still be received.
If the antenna is outside, the coax shield should be grounded with a grounding block that is connected to the house electrical system ground with 10 gauge copper wire for electrical safety and to reject interference. For further compliance with the electrical code (NEC), the mast should also be grounded in a similar manner to drain any buildup of static charge, but the system will not survive a direct strike.
