![]() Increased security advantages of link 16 over 11 line of sight the direct line where radio waves travel without bending over mountains or the horizon beyond line of sight uses satellites to connect units in geographically separated areas satellite link 16 to improve near real-time data exchange, improve multilink connectivity, and provide a common tactical picture nodelessįrequency hopping (low prob of interception) However, the coordinates in the RELGRID are x, y, z from the grid origin. reference point Type, latitude/ longitude, date time group (dtg) relative grid This grid is a flat plane similar Link-11. forwarding jtids unit A JTIDS unit that translates and forwards data to Link 11 only capable platforms. jtids unit A unit communicating directly on Link 16. All units periodically adjust their internal clocks to maintain synchronization. Network system time is sent to all units by the _. Time established by this unit is, by definition, network system time. Relative grid link 16 components net time reference A single Unit is assigned to be _ for a given network. The method of pre-assigning units' time slots in which to transmit and receive data net time reference Provides technical and operational enhancements such as frequency hopping, jam-resistant secure voice, and increased security, over Link-11Īn improved TDL, but will not completely replace Link-11 time division multiple access (TDMA) protocol of link 16 When first joining the Link-11 net, a PU should first go into _, verify all settings, and then request permission from the Force Track Coordinator (FTC) to go active in the link link 16 Is a node-less tactical data link used to exchange tactical data information among airborne, land-based, and shipboard tactical data systems radio silence Also set at the DTS, a PU in _ can receive data but cannot transmit or respond if polled It is a single burst of information used to send information out across the link to all users. short broadcast identical to a picket reply. In the _ mode, only one unit will transmit. broadcast a continuous series of short broadcasts separated by two frames of dead time to all members of the net. The NCS assigns the polling sequence where the PUs are polled.Įach PU transmits its data when called, and when not transmitting receives reports from NCS. While in picket mode, the PU transmits when called upon by the NCS. The unit designated as NCS polls the picket stations for their tactical information. TIC operators also use _ to check and set line levels. Once an operator receives the _ signal, they report back to NCS, and the normal mode of operation, roll call, resumes. net test the second step in verifying connectivity. TIC operators manually starts and stops Net Sync. Radio silence 6 modes of link 11 net synchronization Consisting of a series of preambles, operators use _ as the first step in verifying RF connectivity between units. Matches track positions held by other ships with the tracks held by your own ship. grid lock are executed periodically to reduce errors in grid reporting. Executes gridlocks to correlate reported track data. grid reference unit Acts as a reference to maintain the SG geo-graphical reference point. data link reference point A common reference point in latitude/longitude which all Link-11 participants use as the base position to report their own position to the units in the link. More _ increase Net Cycle Time intervals between updates. Should be in a central location and have superior communication and connectivity with each PU picket unit Units designated by the OPTASK LINK to transmit and receive tactical information in roll call mode. Picket Units (PU) net control station There is only one who controls the Link-11 Net and provides interrogations for all participants List of Primary and Secondary Frequencies When a Strike Group is about to deploy, the SG CDR will issue an OPTASK LINK which contains the necessary information required to establish the Link. ![]() Uses a half-duplex, netted communications system that operates on the High Frequency (HF) and Ultra High Frequency (UHF) bands to exchange tactical data among participants Sea Combat Commander Command & Reporting (SCC C&R)Ĭhat/SIPRNET Link 11 purpose is to exchange tactical digital information between airborne, land-based, submarine, and shipboard tactical data systems Strike group communication references link track numbers over all command and control nets including:Ĭarrier Strike Group Command & Reporting (CSG C&R)Īir Defense Commander Command & Reporting (ADC C&R)
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