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Variable Message Format, abbreviated as "VMF" and documented in MIL-STD-6017, is a message format used in communicating tactical military information. A message formatted using VMF can be sent via many communication methods. As it does not define such a method, a communications medium, or a protocol, it is not a Tactical Data Link (TDL). [1]
When the transponder receives an interrogation request, it broadcasts the configured transponder code (or "squawk code"). This is referred to as "Mode 3A" or more commonly, Mode A. A separate type of response called "Ident" can be initiated from the airplane by pressing a button on the transponder control panel.
Previously J-Series messages could be sent using the Link 16 protocol. However, Link 16 is a radio protocol with a frequency range that limits the exchange of information to within line-of-sight . Use of flexible bearer protocols, such as IP , makes it easier to exchange such J-Series data, particularly for simulations and integration.
JREAP takes the message from the format it was originally formatted in and changes the protocol so that the message can be transmitted over Beyond Line-of Sight media. JREAP is the protocol and message structure for the transmission and reception of pre-formatted messages over communications media other than those for which these messages were ...
J3 – Operations. The National Military Command Center (NMCC) is part of the J3 directorate; J4 – Logistics; J5 – Strategic Plans and Policy; J6 – Command, Control, Communications and Computers/Cyber [38] The J-6 directorate is one of a group of agencies that administer the SIPRNet.
The Operations (J3) directorate is the Continental Staff System branch of the U.S. DOD Joint Staff responsible for military operations.. It is the third level of the US National Level Command Structure, primarily assists the Chairman of the Joint Chiefs of Staff (CJCS) in carrying out responsibilities as the principal military advisor to the President and Secretary of Defense.
Link 16 is a TDMA-based secure, jam-resistant, high-speed digital data link that operates in the radio frequency band 960–1,215 MHz, allocated in line with the International Telecommunication Union (ITU) Radio regulations to the aeronautical radionavigation service and to the radionavigation satellite service.
The request has been fulfilled, resulting in the creation of a new resource. [6] 202 Accepted The request has been accepted for processing, but the processing has not been completed. The request might or might not be eventually acted upon, and may be disallowed when processing occurs. 203 Non-Authoritative Information (since HTTP/1.1)