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CCIR System L

Analog TV systems global map, with System L in magenta.

CCIR System L is an analog broadcast television system used in France, Luxembourg, Monaco and Chausey.[1][2][3] It was the last system to use positive video modulation and AM sound.[3]

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

Spectrum of a SECAM-L color television signal

The main System L specifications are listed below.[4][1][5]

Plan showing VHF frequency ranges for ITU Systems

Television channels were arranged as follows:[6][7]

See also

Notes and references

  1. ^ a b Documents of the XIth Plenary Assembly - Oslo, 1966 - Volume V - Sound Broadcasting Television (PDF). International Telecommunication Union. 1967.
  2. ^ "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  3. ^ a b "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. 2019. Retrieved 2023-03-06.[permanent dead link]
  4. ^ Reference Data for Radio Engineers, ITT Howard W.Sams Co., New York, 1977, section 30
  5. ^ "World Analogue Television Standards and Waveforms". 2007-05-15. Archived from the original on 2007-05-15. Retrieved 2023-04-13.
  6. ^ "CCIR Systems - Radio Channels: System-L - France". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.
  7. ^ "CCIR Systems - Radio Channels: Systems B, D, G, I, K, L 625 lines 7/8MHz, cable distribution, Europe". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.

External links