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The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the face of interference and ...
Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
Silver Alert. Silver Alert is a public notification system in the United States to broadcast information about missing persons – especially senior citizens with Alzheimer's disease, dementia, or other mental disabilities – in order to aid in locating them. Silver Alerts use a wide array of media outlets – such as commercial radio stations ...
Download as PDF; Printable version ... The following sortable table lists the 3,242 counties and county equivalents of the United States and their respective FIPS ...
16:9. 8,294,400. 7680 × 4320. 8K UHDTV. 4320p. 33,177,600. Many of these resolutions are also used for video files that are not broadcast. These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed ...
The leading zeros padding the number are a more recent addition to the format, so many older works will show less-full codes. The hyphen that is often seen separating the year and serial number is optional. More recently, the Library of Congress has instructed publishers not to include a hyphen. See also. Accession number (library science)
Common Language Codes. Following are Common Language codes used by the telecommunications industry. 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 ...
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