Still the size and price of these initial INSs limited their fielding to
artillery survey teams and selected self-propelled guns.
construction, airfield, and field
artillery survey.
Despite restricted circumstances, the 1st and 2nd Medium Brigades with 60-pdr guns and 6-inch howitzers were raised in 1925, mechanisation made some progress from 1928, and an anti-aircraft battery and two
artillery survey companies established.
Up until now, gunners have used GPS mainly for
artillery survey purposes.
Once accurate location co-ordinates have been entered into a ring laser gyro system, culled from any available means, from manual
artillery survey, GPS or whatever, any subsequent movements will generate precise details of the degree of platform movement away from the data input point.
