CCIR is a four-letter abbreviation that may stand for:
*
California Coalition for Immigration Reform
California Coalition for Immigration Reform (CCIR) was a Huntington Beach, California-based political advocacy group devoted to immigration reduction, with an emphasis on combating illegal immigration to the United States. According to the organiz ...
, a California political advocacy group for immigration reduction
*
Campaign for Comprehensive Immigration Reform
The Coalition for Comprehensive Immigration Reform (CCIR), also known as CCIR/NAOC or New American Opportunity Campaign (NAOC), is a non-profit immigrant rights advocacy organization based in Washington, DC, established in 2003 to pass comprehen ...
, a Washington, DC organization for immigrant rights
*
Canadian Centre for Investigative Reporting
Canadians () are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''C ...
, produces thoroughly researched reporting in the public interest
* Centre for Counseling Innovation and Research (CCIR), at Kish Island, Tehran, Mashhad
*
Comité Consultatif International pour la Radio
The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communications.
Its role is to manage the international radio-frequency ...
, a forerunner of the ITU-R
**
CCIR 601
ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec. 601 or BT.601 (or its former name CCIR 601), is a standard originally issued in 1982 by the Comité consultatif international pour la radio, CCIR (an organizati ...
, the former name of a broadcasting standard promulgated by the CCIR
**
CCIR-tones, a selective calling system used in some radio communications systems in some European countries
**
CCIR-1k
ITU-R 468 (originally defined in CCIR recommendation 468-4, therefore formerly also known as CCIR weighting; sometimes referred to as CCIR-1k) is a standard relating to noise measurement, widely used when measuring noise in audio systems. The s ...
and
CCIR-2k, noise weighting standards for audio signals
* Commander's critical information requirement, a term in the US military
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