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Guidance on how to fill in and handle DD Form 1423-1 is provided in publication 5010.12-M. Other US government agencies may include CDRLs in contracts, but these will not use the military's DD Form 1423. Most data items are developed and delivered in compliance with pre-defined data item descriptions (DID).
Government policy supporting this domestic standard had led to the abolishment of previous GA/T industry standards based on the European TETRA standard. [3] The initial major contributor of the standard were Hytera Communications and Vigor Communications(WANGE). Vigor was also the first enterprise to produce PDT two-way radio products.
The Maritime Mobile Service Q Codes are art of a larger set of Q Codes designated by the ITU-R. The QOA–QQZ code range is reserved for the Maritime Mobile Service. This assignment is specified in RECOMMENDATION ITU-R M.1172. Q signals are no longer substantially used in the maritime service.
ACP-131 [1] is the controlling publication for the listing of Q codes and Z codes. It is published and revised from time to time by the Combined Communications Electronics Board (CCEB) countries: Australia, New Zealand, Canada, United Kingdom, and United States.
The company was founded in 1943 by radio design engineer Robert L. Drake. The company began as a manufacturer of low pass and high pass filters for the government and amateur radio market, and after World War II, produced amateur radio transmitters and receivers and communications receivers for maritime mobile service.
The QSK code is one of the earliest signal reporting formats and is a part of the Q code used for commercial radiotelegraph communication, appearing as one of the twelve Q Codes listed in the 1912 International Radiotelegraph Convention Regulations, and was later adopted by other radio services, especially amateur radio. The QSA code was ...
The Node Center Switch (NCS) made up the backbone of the MSE system and provided connectivity through the use of extension switches, Large Extension Nodes (LENs), Small Extension Nodes (SENs), and Radio Access Units (RAUs). To communicate with other mobile and wire telephone users throughout the theater, the Radio Access Units allow the Mobile ...
The term was first coined in 1986 by the US Congress. [2] According to the Federal Acquisition Regulation, a non-developmental item is: [3]. Any previously developed item of supply used exclusively for governmental purposes by a Federal agency, a State or local government, or a foreign government with which the United States has a mutual defense cooperation agreement;