What does QDM stand for?
QDM stands for "Magnetic zero wind heading"
How to abbreviate "Magnetic zero wind heading"?
"Magnetic zero wind heading" can be abbreviated as QDM
What is the meaning of QDM abbreviation?
The meaning of QDM abbreviation is "Magnetic zero wind heading"
What does QDM mean?
QDM as abbreviation means "Magnetic zero wind heading"