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...three of these rods look bent...
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Bent rods will reduce the performance of the antenna. This is a possible reason for your loss of real channel 12, WNYT.
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...trees/other obstructions have grown up over the last year...
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Vegetation absorbs energy the way food in a microwave oven does. That will leave less energy in the air for your antenna to receive.
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Is there a better, stronger antenna out there that I might have installed on the roof that would guarantee me receiving signals that might be slightly out of my range with the present setup?
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The antenna you have now sounds like it was doing well when it was not bent. Your TV Fool Report shows WTEN (ABC) arriving at your location at very weak levels... Only the best antenna and some good fortune would give you reception of a signal that weak.
The Winegard HD8200 and Antennacraft HD1850 are similar antennas. Both are very large and are designed to receive real channel 2 through 69. These antennas would be options to replace your antenna if it's too worn. I would be uncomfortable suggesting that they would offer better performance than what you had.
If I were in your spot, I would be considering a Rohn-25 tower installation at least 60' high. Or, I would be looking at getting permission from a neighbor on a hill to install an antenna... that would require some fancy technology to link the signal down to your location though.
Have you inquired with satellite system installers?