Other differences include the number of lines per screen and sound offset. Channel systems have almost no dependence on audio, video or subtitling systems, but most are defined to a specific broadcast band. Other channel systems are used in certain areas of the world. For example channel system K and K' are used only by France and its territories. Russia and many former Eastern Block countries use both D and K systems.
Many countries use two different channel systems.
The first one listed applies to VHF channels, while the second applies to UHF channels. The chart below gives some technical aspects of each different channel system. Yes C- varies varies 11GHz . . Ku- varies varies 11GHz . .