Best test is try the OTA station if its close enuf. Closest you will
get to a true HD as everyone else seems to screw with things
such as compression etc to save space. I dont think its PBS itself
since its subsidized & has the best of everything. No need to watch
the budget......
BTW being from the 60's-70's does NOT mean lesser pix. On an
NTSC direct view set a good copy will look fine. HD shines on
big screens but under 32" a good NTSC set & signal looks better
than HD IMHO.
73 Zeno
LFOD !