could be cambria has a patch to 33.70 and could be inadvertly rebroadcasting somerset.
Nobody in western pa using 33.70 uses PL
FYI: Somerset County began using PL 192.8 on 33.70 and all of their operation frequencies about 2 years ago.
As for the rebroadcast it is being investigated, at this point it is believed that a mobile crossband repeater has been left turned on. So far it's been determined that the signal is originating north of State Route 30.