geographic reference

World Geographic Reference System (WGRS); georef

world geographic reference system

attitude-and-heading reference system / attitude and heading reference system (AHRS)

geographic coordinate system

geographic coordinates

geographic feature

geographic information (GEOINFO)

specified geographic area

geographic Cartesian system

geographic(al) latitude

geographic(al) longitude

electronic geographic coordinate navigation

geographic barrier

Geographic Information System (GIS)

grid reference box

grid reference system

guidance reference system

gyroscopic reference unit (GRU)

lay reference number

map reference

map reference code

military grid reference system (MGRS)

NATO Master Cross Reference List (NMCRL) (logistics)

numbered reference position system

reference

reference diversion point

reference data

reference number (order / message / report)

stabilization reference package (SRP)

target reference point (TRP)

terms of reference (TOR)

Army doctrine reference publication (ADRP)