When I was growing up, most televisions had channel selectors that started at “2” and ended at “13.” (not counting the UHF selector)
We had the “Big Three National Networks” (Ch. 2, CBS, Ch. 4, NBC Ch7, ABC)
Channel 13 (WNET) was the precursor to Public Television, having fund drives even way back then.
And who else remembers, It’s 10pm. Do you know where your children are?
I surprised myself, remembering all the callsigns.
That was it, boys and girls; seven channels and no remote control. I can’t recall what time they “signed off” for the night, but it went something like this: