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The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet. Technically a radiotelephonic spelling alphabet, it goes by various names, including NATO spelling ...
The Family Radio Service ( FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band. It does not suffer the interference effects found on citizens' band (CB) at 27 MHz, or the 49 MHz band also ...
AN/PRC-127. In military radio communications, the AN/PRC-127 (RT-1594) Radio is a handheld transceiver operating in the 136-160 MHz range used by the US Army to aid in provisioning services, and other non-combat uses. It is a software modified version of the civilian LPI series high band Bendix-King radio. [ 1]
Code words – a single classified word (e.g. BYEMAN) which identifies a specific special access program or portion. A list of several such code words can be seen at Byeman Control System. Exercise terms – a combination of two words, normally unclassified, used exclusively to designate an exercise or test [1]
Walkie-talkie. Recreational, toy and amateur radio walkie-talkies. Assorted two-way FRS and GMRS walkie talkies with hand mic. A walkie-talkie, more formally known as a handheld transceiver ( HT ), is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio ...
Code name. A code name, codename, call sign, or cryptonym is a code word or name used, sometimes clandestinely, to refer to another name, word, project, or person. Code names are often used for military purposes, or in espionage.
A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves ), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver, which only receives transmissions. Two-way radios usually use a half-duplex communication channel ...
For OS X releases beginning with 10.9, and for macOS releases, landmarks in California were used as public names. [94] For OS X releases beginning with 10.11, and for macOS releases, varieties of apples were used as internal code names. [93] Mac OS X: Cyan, Siam (in reference to joining Mac OS and Rhapsody) [90] Mac OS X Developer Preview 3 ...