direction-finder station

direction finder installation (station)

high frequency direction finder

auditory direction finder

automatic direction finder (ADF)

radio direction finder

automatic direction finder

radiosonde tracking radio direction finder

radiotelephone direction finder

direction finder

direction finder exercise

direction finder team

direction-finder bearing

direction-finder evaluator

direction-finder operator

direction of radio station

short-wave radio DF station (direction finding)

total station (TS) / total station theodolite (TST)

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

commanding officer's position finder

accurate position finder

height-finder operator

range finder operator