The static on old CRT TVs with rabbit ears was the cosmic microwave background. No one in the last 25 years has ever seen it.
Even before the 2000s they started showing a blue screen instead of static.
That wasn’t just a digital or flat panel thing.
But of course old sets were around for a long time.
My memory of the exacts here are fuzzy, but I think this depended on whether or not your TV picked up digital signal, analog, or both. I remember around that time we had a TV that would pick up static on some channels and have a blue input screen on others.
I remember back in the Wii days when I was young we had a flat screen that would go to the digital pattern with no input. However sometimes once in a while it would get that static loud no signal so I think mine had both
I don’t really have a point here just wanted to share
It’s definitelly an analog over the air TV thing.
The way digital works you would either get a “No signal” indicator (because the circuitry detects the signal to noise ratio is too low) or squarish artifacts (because of the way the compression algorithms for digital video are designed).