CCIR System K

Summary

CCIR System K is an analog broadcast television system used in countries that adopted CCIR System D on VHF, and identical to it in most respects.[1][2] Used only for UHF frequencies, its paired with SECAM or PAL color systems.

SpecificationsEdit

Some of the important specs are listed below.[3][1]

System K specifications
Frame rate Interlace Field rate Line/frame Line rate Visual b/w Vision mod. Preemphasis Sound mod. Sound offset Channel b/w
25 2/1 50 625 15625 6 MHz. Neg. FM +6.5 MHz. 8 MHz.

Television channels were arranged as follows:[2]

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 K1Edit

French overseas departments and territories used a variation named System K1 for broadcast in VHF.[4] UHF channels were similar to K.[2]

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 alsoEdit

Notes and referencesEdit

  1. ^ a b https://www.itu.int/dms_pub/itu-r/opb/rep/R-REP-BT.624-4-1990-PDF-E.pdf[bare URL PDF]
  2. ^ a b c "Archived copy". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ Reference Data for Radio Engineers, ITT Howard W.Sams Co., New York, 1977, section 30
  4. ^ "Archived copy". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)

External linksEdit

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