electronic geographic coordinate navigation

geographic coordinate system

navigation leg coordinate system

electronic protective measure (EPM) / electronic counter-countermeasure (ECCM) / electronic protection (EP)

position and navigation unit / position navigation unit (PNU)

geographic coordinates

geographic feature

geographic information (GEOINFO)

specified geographic area

World Geographic Reference System (WGRS); georef

geographic Cartesian system

geographic(al) latitude

geographic(al) longitude

world geographic reference system

geographic barrier

geographic reference

Geographic Information System (GIS)

geographic situation (GeoSit)

electronic aids to navigation

electronic navigation

electronic navigation aids

electronic navigation chart

electronic navigation digital data system

electronic navigation equipment

electronic navigation industries

high precision short-range electronic navigation system

navigation and electronic display system

electronic emulation and electronic countermeasures system (Leer-2) on Tigr-M chassis

mobile electronic emulation and electronic countermeasures system (Leer-2) on Tigr-M chassis

electronic counter-countermeasures (ECCM) / electronic protective measures (EPM)

coordinate mapping

coordinate scale

grid coordinate system