ADF
Alpha Delta Phi
ADF
AUTOMATIC DIRECTION FINDER
diogoniomètre190 kHZ à 1660 kHZ 0.5 kHz increments
AM (550 to 1660 kHz)
NDB (190 to 550 kHz)
.operational Range 20 to 150 NM
.vertical polarization
. used for position fixing, navigation and position holding
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