Chapter 2 - VHF Direction Finding Flashcards Preview

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Flashcards in Chapter 2 - VHF Direction Finding Deck (4)
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1

Give the frequency range for VHF direction finding

118.000 - 136.975 MHz

2

Give the different bearings that a DF station can provide using the following codes
QDM
QDR
QUJ
QTE

QDM - Magnetic to the station
QDR - Magnetic from the station
QUJ - True to the station
QTE - True from the station

3

Give the formula for a space wave range

Range (Nm) = 1.23 x Root Height + Root Height of A/C

4

Give the accuracy for VDF Class A,B,C and D

A + or - 2 degrees
B + or - 5 degrees
C + or - 10 degrees
D More than 10 degrees