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my dad did most of the work
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Sounds like dads got you hooked up. 8 bay whisker antennas model as some of the best DX homebrew antennas for UHF. I have specs on one that averages 18dBi net gain.
Even though the commercial 8 bays don't perform as well as they could (phase line problems and short whiskers aimed at channels no longer assigned to tv).
Tipping the antenna up helps with tropospheric scatter which is more common and dependable than tropospheric ducting but 200 miles probably won't be dependable with out very extreme measures.
Tropospheric ducting is how you are getting Pittsburgh , tv frequencies don't really reflect off the upper atmosphere and skip.