below ground level

shelter below ground level

breech block pivoted below the level of the chamber

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

get below ground

echelon corps and below (ECB)

Force Battle Command Brigade-and-Below (FBCB2)

below minima weather

the weather below minima

nuclear test below 4.75

Any signal below this point

instantaneous main battery voltage (flashes when below alarm threshold)

Instantaneous RSSI value (flashes when below alarm threshold)

Select the correct data format from the drop-down, below

Select your flight controllers serial device below

Warning text that appears when the battery voltage falls below warning threshold

When enabled will cut power to the motor when the voltage drops below the low voltage threshold

when Link Quality is below alarm setting

when RSNR value is below alarm setting

when RSSI dBm value is below alarm setting

when RSSI is below alarm setting

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

surveyor's level (surveying level, tbc)

level to / with the ground

ground level (GL)

ground level emission

above ground level (AGL)

altitude above ground level

battle-ground / battle ground / battleground

Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)

vantage ground / vantage-ground

ground-to-ground guided missile

ground-to-ground rocket