What does TDDF stand for?
TDDF stands for "Time-Difference Direction Finders"
How to abbreviate "Time-Difference Direction Finders"?
"Time-Difference Direction Finders" can be abbreviated as TDDF
What is the meaning of TDDF abbreviation?
The meaning of TDDF abbreviation is "Time-Difference Direction Finders"
What does TDDF mean?
TDDF as abbreviation means "Time-Difference Direction Finders"