Detection grid

A detection grid was a type of sensor system. One particulary common type of detection grid was a Tachyon detection grid.

The Torothan overlords of a planet used an orbital detection grid which in fact turned out to contain a gap. 

During the 22nd century, the Xindi used a detection grid as a method of detecting the presence of starships in the Azati Prime system. 

Another type of detection grid was used at Imperial Hall in the 24th century on Ilari. 

Types of detection grids

 * Tachyon detection grid
 * Gravitic sensor net