Quote:
Originally Posted by ChrisW6ATV
Is a change away from the voice-grade lines what you are referring to as the "post-1978 upgrade"?
|
Yes, I had read about the PBS DATE audio system upgrade, I first noticed improved audio (in the late 1970s) on the CBS evening news, transmitted by WMT ch 2 and viewed (via roof antenna) on a Sylvania GT-Matic TV.
Kirk Bayne