ground signals


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ground signals

A visual signal displayed on an airfield to give local air traffic rules information to flight crews in the air. See also signal area.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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"We wanted to see if we could detect these ground signals, then work backwards and create a model for the seismic waves generated by the tornado along its entire path," Valovcin explains.
Drawing a polygon in the board shape, and giving it the same name as the power or ground signals, may make the job easier.
Then there exist n ground signals [G.sub.i] + [N.sub.i] (i = 1, ..., n).