To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
.
Leo
Newton
Brights
Milds

From Wikipedia, the free encyclopedia

CCIR System C (originally known as the Belgian 625-line system) is an analog broadcast television system[1] used between 1953 an 1978[2] in Belgium, Italy, Netherlands and Luxembourg as a compromise between Systems B and L. Used on VHF only.[3]

Specifications

Some of the important specifications for System C are listed below:[4][3][1][5]

System C specifications
Frame rate Interlace Field rate Line/frame Line rate Visual b/w Vision mod. Preemphasis Sound mod. Sound offset Channel b/w Assumed display device gamma Usual color system
25 2/1 50 625 15625 Mhz 5 MHz. Positive 50 μs AM +5.5 MHz. 7 MHz. 2.0 none
Plan showing VHF frequency ranges for ITU Systems
Plan showing VHF frequency ranges for ITU Systems

Television channels were arranged as follows:[2]

System C 625 lines
Channel Video carrier (MHz) Audio carrier (MHz)
1 41.25 46.75
1A 42.25 47.75
2 48.25 53.75
2A 49.75 55.25
3 55.25 60.75
4 62.25 67.75
4A 82.25 87.75
5 175.25 180.75
6 182.25 187.75
7 189.25 194.75
8 196.25 201.75
9 203.25 208.75
10 210.25 215.75
11 217.25 222.75
12 224.25 229.75

See also

Notes and references

  1. ^ a b DOCUMENTS OF THE Xlth PLENARY ASSEMBLY - OSLO, 1966 - VOLUME V - SOUND BROADCASTING TELEVISION (PDF). INTERNATIONAL TELECOMMUNICATION UNION. 1967.
  2. ^ a b "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  3. ^ a b "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  4. ^ Reference Data for Radio Engineers, ITT Howard W.Sams Co., New York, 1977, section 30
  5. ^ "C.C.I.R. Report 624-4 Characteristics of television systems, 1990" (PDF).

External links

This page was last edited on 4 August 2022, at 23:23
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.