CCIR System L

625-line analog television transmission format From Wikipedia, the free encyclopedia

CCIR System L

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]

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

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

Summarize
Perspective
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Spectrum of a SECAM-L color television signal

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

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Plan showing VHF frequency ranges for ITU Systems

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

More information Channel, Video carrier (MHz) ...
System L VHF channels
Channel Video carrier (MHz) Audio carrier (MHz)
1 47.75 41.25
2 55.75 49.25
3 60.50 54.00
4 63.75 57.25
5 176.00 182.50
6 184.00 190.50
7 192.00 198.50
8 200.00 206.50
9 208.00 214.50
10 216.00 222.50
Close
More information Channel, Video carrier (MHz) ...
System L UHF channels
Channel Video carrier (MHz) Audio carrier (MHz)
21 471.25 477.75
22 479.25 485.75
23 487.25 493.75
24 495.25 501.75
25 503.25 509.75
26 511.25 517.75
27 519.25 525.75
28 527.25 533.75
29 535.25 541.75
30 543.25 549.75
31 551.25 557.75
32 559.25 565.75
33 567.25 573.75
34 575.25 581.75
35 583.25 589.75
36 591.25 597.75
37 599.25 605.75
38 607.25 613.75
39 615.25 621.75
40 623.25 629.75
41 631.25 637.75
42 639.25 645.75
43 647.25 653.75
44 655.25 661.75
45 663.25 669.75
46 671.25 677.75
47 679.25 685.75
48 687.25 693.75
49 695.25 701.75
50 703.25 709.75
51 711.25 717.75
52 719.25 725.75
53 727.25 733.75
54 735.25 741.75
55 743.25 749.75
56 751.25 757.75
57 759.25 765.75
58 767.25 773.75
59 775.25 781.75
60 783.25 789.75
61 791.25 797.75
62 799.25 805.75
63 807.25 813.75
64 815.25 821.75
65 823.25 829.75
66 831.25 837.75
67 839.25 845.75
68 847.25 853.75
69 855.25 861.75
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See also

Notes and references

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