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CLLI code (sometimes referred to as CLLI name or Common Language Location Identifier Code, and often pronounced as silly) is a Common Language Information Services identifier used within the North American telecommunications industry to specify the location and function of telecommunications equipment or of a relevant location such as an international border or a supporting equipment location ...
Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
Pseudo city code. In the aviation industry, a pseudo city code, pseudo-city code, or office ID, is an alpha-numeric identifier for a corporate user of a computer reservation system (CRS) or global distribution system (GDS), [1] typically a travel agency. The codes are typically 3 or 4 characters long, (although the Amadeus system uses up to ...
An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion. The code is used to transmit standard messages, sometimes with customized text, very quickly by experienced ARRL National Traffic System (NTS) message traffic handlers.
Look-down/shoot-down radars have been enhanced with electronic programs that process the radar image and search for moving objects, which are detected by looking for Doppler shifts in the radar return. See moving target indication. The radar removes all stationary objects (e.g. the ground and buildings) from the display and shows only moving ...
For example, a :30 second spot might have had a code of XECA1263, while the same commercial in a shortened :20 or :15 version (or in a different language such as Spanish) might have had a slightly different code of XECA1264. The ISCI code was unique to each individual commercial. The slightest change to an ad led to the use of another code.
A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of ...
ISO 3166-1 alpha-3 codes are three-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They allow a better visual association between the codes and the country ...
Refractive index. A ray of light being refracted through a glass slab. In optics, the refractive index (or refraction index) of an optical medium is a dimensionless number that gives the indication of the light bending ability of that medium. Refraction of a light ray. The refractive index determines how much the path of light is bent, or ...
CLEI Codes. Common Language Equipment Identifier or CLEI code is an industry standard, globally unique identifier for telecommunications equipment with a uniform feature-oriented classification. CLEI codes may be acquired by telecommunications equipment manufacturers and assigned to devices before they are sold to a licensed service provider.