Skip to main content
hardNDB-ADF

To find the QDM (magnetic heading to the station) using an RBI, you calculate:

A

Magnetic heading plus relative bearing

B

Magnetic heading minus relative bearing

C

True heading plus relative bearing minus variation

D

Relative bearing minus magnetic heading

Checking member access

One moment while we confirm your plan so paid members never see checkout by mistake.

Checking member access before showing upgrade options

Keep practising

Take a timed quiz with random questions, or estimate your training costs.