Are you old enough to remember growing up with no more than three or four TV stations to watch…and something called a test pattern when the stations were not broadcasting? Yes, TV actually signed off ...

While most countries have switched to digital broadcasting, and most broadcasts themselves have programming on 24/7 now, it’s hard to remember the ancient times of analog broadcasts that would ...

The picture on a TV set used to be the combined product of multiple analog systems, and since TVs had no internal diagnostics, the only way to know things were adjusted properly was to see for ...