If anyone is confused by the term DRADIS, it is from the show Battlestar Galactica. It means [b]D[/b]irection, [b]RA[/b]nge, and [b]DIS[/b]tance in the show. While its primary means in the show are used to detect vessels, it [i]can[/i] be used for other multi-functional purposes such as water, radiation signatures, and looking at celestial bodies.

Small edit: I can change the term to something else if necessary though.