There are 3 in most places. 1 is the "communist/educational channel" 2. is the Informative channel. 3. is the random channel which is like various entertainment, educational, news, communist and...
In the early 60's a television had a tuner like on a radio. No presets. No limits. Only one or two channels were aired anyway. Answer:It had two knobs. One knob was for channel 2-13 and were mainly...