Catch The First 70 on KRCB (PBS) on Sunday, July 1 @ 11 a.m and Tuesday, July 17 @ 10:30 p.m.

KRCB can be viewed at:

Over the air-22.1
Comcast, either 22 (SD) or 722 (HD) or 200 in some areas.
AT&T Uverse, either 22 (SD) or 1022 (HD)
Dish Satellite, at channel 22 and also at 6455 & 8233
Direct TV at channel 22 and also at 892 & 1980