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
. PPS GPS-S provides precise GPS positioning accuracy with a military-grade GPS receiver that provides jamming and Emerging Threat (ET) protection.
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
Up until now, gunners have used GPS mainly for artillery survey