CCIR System L

CCIR System L is an analog broadcast television system used in France, Luxembourg, Monaco and Chausey. It was the last system to use positive video modulation and AM sound.

Initially adopted in the 1970s and associated with the SECAM color system (SECAM-L), it was discontinued in 2011, when France transitioned to Digital Video Broadcasting.

Specifications
The main System L specifications are listed below.
 * Frame rate: 25 Hz
 * Interlace: 2/1
 * Field rate: 50 Hz
 * Lines/frame: 625
 * Line rate: 15625 Hz
 * Visual bandwidth: 6 MHz
 * Vision modulation: Positive
 * Sound modulation: AM
 * Sound offset: -6.5 MHz
 * Channel bandwidth: 8 MHz

Television channels were arranged as follows: