Tactical data information link--A
Encyclopedia
In telecommunication
, a tactical data information link—A (TADIL—A) is a netted link
in which one unit acts as a net control station and interrogates each unit by roll call. Once interrogated, that unit transmits its data
to the net. This means that each unit receives all the information
transmitted. This is a direct transfer
of data and no relaying is involved.
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...
, a tactical data information link—A (TADIL—A) is a netted link
Data link
In telecommunication a data link is the means of connecting one location to another for the purpose of transmitting and receiving information. It can also refer to a set of electronics assemblies, consisting of a transmitter and a receiver and the interconnecting data telecommunication circuit...
in which one unit acts as a net control station and interrogates each unit by roll call. Once interrogated, that unit transmits its data
Data
The term data refers to qualitative or quantitative attributes of a variable or set of variables. Data are typically the results of measurements and can be the basis of graphs, images, or observations of a set of variables. Data are often viewed as the lowest level of abstraction from which...
to the net. This means that each unit receives all the information
Information
Information in its most restricted technical sense is a message or collection of messages that consists of an ordered sequence of symbols, or it is the meaning that can be interpreted from such a message or collection of messages. Information can be recorded or transmitted. It can be recorded as...
transmitted. This is a direct transfer
Transfer
Transfer may refer to:* Transfer * Transfer * Transfer DNA, the transferred DNA of the tumor-inducing plasmid of some species of bacteria such as Agrobacterium tumefaciens* Transfer...
of data and no relaying is involved.