Growing up in the 90s my experience was that you turned a knob until you heard what you wanted to hear, and as you traveled you occasionally had to jiggle the k

Growing up in the 90s my experience was that you turned a knob until you heard what you wanted to hear, and as you traveled you occasionally had to jiggle the knob as the signal shifted. I don't remember any time where a delay was introduced for terrestrial radio.