radio direction finder

radiosonde tracking radio direction finder

high frequency direction finder

auditory direction finder

automatic direction finder (ADF)

automatic direction finder

radiotelephone direction finder

direction finder

direction finder exercise

direction finder installation (station)

direction finder team

direction-finder bearing

direction-finder evaluator

direction-finder operator

direction-finder station

radio finder terminal homing guidance system

multifunctional radio control, direction finding and suppression system (portable) (MKRPP)

direction of radio station

short-wave radio DF station (direction finding)

radio direction finding

radio direction finding chart

radio direction finding net

azimuth finder

echo depth finder

height finder radar

laser range finder (LRF)

position finder

range finder / rangefinder (RF)

AN/TPQ (Army-Navy [Marines] Transportable Position finder [radar] Q [counterbattery])

laser target-designator and range-finder switching-on (cutting-in) time tabular value

azimuth-type range finder

depression position finder

dip range finder