Instruments, available within the RNZA, used to
determine this information are in three broad groups:
a. Distance Measuring Equipment
b. Angular Measuring Equipment
c. North Seeking Instruments
The two distance measuring equipments are:
a. MRA7. MRA7 is a two
station microwave system able to measure distances from 100 m to 50 km very accurately.
b. Red -2L. Red 2L uses
laser light, reflected off prisms, and is used in field batteries and by regimental survey
parties. The range is limited to approximately 10km.