What does DDF stand for?
DDF stands for "Doppler Direction Finder"
How to abbreviate "Doppler Direction Finder"?
"Doppler Direction Finder" can be abbreviated as DDF
What is the meaning of DDF abbreviation?
The meaning of DDF abbreviation is "Doppler Direction Finder"
What does DDF mean?
DDF as abbreviation means "Doppler Direction Finder"
