What does IDF stand for?
IDF stands for "International Distress Frequency"
How to abbreviate "International Distress Frequency"?
"International Distress Frequency" can be abbreviated as IDF
What is the meaning of IDF abbreviation?
The meaning of IDF abbreviation is "International Distress Frequency"
What does IDF mean?
IDF as abbreviation means "International Distress Frequency"
