CCIR System K is an analog broadcast television system used in countries that adopted CCIR System D on VHF, and in Benin, Guinea, Republic of the Congo, Togo, Senegal, Burkina Faso, Burundi, Ivory Coast, Gabon, Comoros, Democratic Republic of the Congo, Madagascar, Mali, Nigeria, Réunion, Rwanda, Chad, Central African Republic, French Polynesia, New Caledonia, Wallis and Futuna, Guadeloupe, Martinique, Saint Pierre and Miquelon and French Guiana.[1]

Analog TV systems global map, with System K in pink.

It is identical System D in most respects.[2][3][1] Used only for UHF frequencies, its paired with SECAM or PAL color systems.

Specifications

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Some of the important specs are listed below.[4][2][5]

Television channels were arranged as follows:[3]

System K 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

System K1

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Plan showing VHF frequency ranges for ITU Systems

French overseas departments and territories used a variation named System K1 for broadcast in VHF.[6] UHF channels were similar to K.[3]

System K1 VHF channels
Channel Video carrier (MHz) Audio carrier (MHz)
2 52.25 58.75
3 60.25 66.75
4 175.25 181.75
5 183.25 189.75
6 191.25 197.75
7 199.25 205.75
8 207.25 213.75
9 215.25 221.75
10 223.25 229.75

See also

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Notes and references

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  1. ^ a b Amadeus Trappe, Raffael (2005). "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. Retrieved 2023-06-05.[permanent dead link]
  2. ^ a b Report 624-4 Characteristics of television systems (PDF). UIT. 1990.
  3. ^ a b c "World Analogue Television Standards and Waveforms". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.
  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. ^ "World Analogue Television Standards and Waveforms". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.
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