CCIR System C
CCIR System C (originally known as the Belgian 625-line system) is an analog broadcast television system used between 1953 and 1978 in Belgium, Italy, Netherlands and Luxembourg as a compromise between Systems B and L. Used on VHF only. Specifications 
Some of the important specifications for System C are listed below:

 Frame rate: 25 Hz
 Interlace: 2/1
 Field rate: 50 Hz
 Lines/frame: 625
 Line rate: 15625 Hz
 Visual bandwidth: 5 MHz
 Vision modulation: Positive
 Preemphasis: 50 μs
 Sound modulation: AM
 Sound offset: +5.5 MHz
 Channel bandwidth: 7 MHz
 Assumed display device gamma: 2.0

Television channels were arranged as follows:

See also 
CCIR System B
CCIR System L
Broadcast television systems
Television transmitter
Transposer

Notes and references

External links 
 World Analogue Television Standards and Waveforms
 Fernsehnormen aller Staaten und Gebiete der Welt

ITU-R recommendations
Television technology
C, System
Broadcast engineering
CCIR System