S-TADIL J, or Satellite TADIL J, is a

real-time Real-time or real time describes various operations in computing or other processes that must guarantee response times within a specified time (deadline), usually a relatively short time. A real-time process is generally one that happens in defined ...

Beyond Line-of-Sight (

BLOS Non-line-of-sight (NLOS) radio propagation occurs outside of the typical Line-of-sight propagation, line-of-sight (LOS) between the transmitter and receiver, such as in ground reflections. Near-line-of-sight (also NLOS) conditions refer to partia ...

) Tactical Digital Information Link (TADIL) supporting the exchange of the same J Series message set that is implemented on

Link-16 Link 16 is a military tactical data link network used by NATO and nations allowed by the MIDS International Program Office (IPO). Its specification is part of the family of Tactical Data Links. With Link 16, military aircraft as well as ships ...

via the

Joint Tactical Information Distribution System The Joint Tactical Information Distribution System (JTIDS) is an L band Distributed Time Division Multiple Access (DTDMA) network radio system used by the United States armed forces and their allies to support data communications needs, principall ...

(JTIDS). S-TADIL J provides for robust continuous connectivity between

Navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...

ships that are beyond JTIDS line-of-sight (LOS) transmission range. S-TADIL J is designed to support and significantly improve long-range TADIL connectivity between widely dispersed fleet operational forces. With the deployment of S-TADIL J, operational units will have three possible data link paths that can be used to support multi-ship data link-coordinated operations. S-TADIL J supports the same levels of surveillance and weapon coordination data exchange provided by

Link-11 TADIL-A/Link 11 is a secure half-duplex tactical data link used by NATO to exchange digital data. It was originally developed by a joint committee including members from the Canadian Navy, US Navy and Royal Navy to pass accurate targeting inform ...

and

. The TADIL J message standard is implemented on S-TADIL J to provide for the same level of information content as Link-16.

Change of terminology

In the US, the term ''Tactical Digital Information Link (TADIL)'' is obsolete (per DISA guidance) and is now more commonly known as ''Tactical Data Link (TDL)''.

External links

* Federation of American Scientists article
Tactical Digital Information Links (TADIL)
Military radio systems Military equipment of NATO Military communications {{US-mil-stub

Change of terminology

See also

External links