gian - guar
- ground receiver
- ground relay
- ground return
- ground return path
- ground rod
- ground screw
- ground shield
- ground speed
- ground state
- ground state level
- ground station
- ground sublevel
- ground surface
- ground surveillance radar
- ground switch
- ground term
- ground trace
- ground triangulation
- ground velocity
- ground-air frequency
- ground-base transistor
- ground-based interrogator
- ground-based radar
- ground-based scanning antenna system
- ground-based transmitter
- ground-collector transistor
- ground-controlled approach
- ground-controlled approach radar
- ground-controlled interception
- ground-controlled landing
- ground-emitter transistor
- ground-environment model
- ground-equalizer coil
- ground-guided
- ground-mapping radar
- ground-plane antenna
- ground-position indicator
- ground-position radar
- ground-scatter propagation
- ground-state splitting
