Direction Finding

Question 1

What is QTE?

Answer 1

True bearing from the station

Question 2

What is QUJ?

Answer 2

True bearing to the station

Question 3

What is QDR?

Answer 3

Magnetic bearing from the station

Question 4

What is QDM?

Answer 4

Magnetic bearing to the station

Question 5

What is the term for the “true bearing from the station”?

Answer 5

QTE

Question 6

What is the term for the “true bearing to the station”?

Answer 6

QUJ

Question 7

What is the term for the “magnetic bearing from the station”?

Answer 7

QDR

Question 8

What is the term for the “magnetic bearing to the station”?

Answer 8

QDM

Question 9

What’s the meaning of the “Q” at the start of the codes?

Answer 9

Indicator to a morse code operator that a code has been sent

Question 10

What are the bearing quality classes? State the class bearings

Answer 10

• Class A = + or -2˚
• Class B = + or -5˚
• Class C = + or -10˚
• Class D = outside of + or -10˚

Question 11

What is the bearing if no class is given?

Answer 11

+ or -5˚

Question 12

What’s the most common class bearing?

Answer 12

Class B = + or -5˚

Question 13

Where else can you find the bearing class?

Answer 13

Listed in the AIP

Question 14

Can a single station provide a fix? If not, how do you provide a fix?

Answer 14

A single station cannot provide a fix. Multiple VDF stations must be on the same frequency to provide a fix

Question 15

Which frequency can you provide a fix?

Answer 15

121.5 MHz

Question 16

What are the fixing accuracy classes? State the classes

Answer 16

• Class A = accurate within 5nm (9.3km)
• Class B = accurate within 20nm (32km)
• Class C = accurate within 50nm (92km)
• Class D = accuracy less than Class C