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WCAX (CBS) has a licensed transmitter output of 550,000 watts. WPTZ (NBC) has a licensed output power of 650,000 watts. WETK (PBS) is licensed for 90,000 watts.
Now we have WFFF (FOX) with 47,000 watts and WVNY (ABC) at 10,000 watts.
FOX and ABC are operating at fractions of the power of WCAX and WPTZ. Think of this as trying to see bright spotlight pointed at you from 110 miles. Now imagine trying to see a halogen outdoor lamp in the same circumstance. The comparison may not be exact, but you get the idea over long distances the dimmer light becomes harder to see first assuming nothing is obstructing it. This same principle applies to signals. There is less power behind WFFF and WVNY.
TV internal signal strength meters can often be misleading. Instead of reporting true signal strength, they report error packets and display that as the strength quality of signal.
We've been pretty steadfast in our suggestion of an outdoor antenna mounting solution. While it is a pleasant surprise that some of the US networks are received. Attic installations can lead to endless "tweaking" - signals dropping out here, there. You re-aim the antenna in the attic, others start to come and go. It can be a never ending session of chasing your tail. This due to the unpredictable nature of what attics do to signals.
I do not expect WVNY or WFFF to be received from an attic installation in any circumstance. The only way WVNY and WFFF will be reliably received is via an outdoor antenna. These signals as mentioned before, are not bright "lights" and don't have the horsepower to punch through a roof.
Best of luck whatever you decide.
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