What does HF/DF stand for?

HF/DF stands for "High Frequency/Direction Finding"

How to abbreviate "High Frequency/Direction Finding"?

"High Frequency/Direction Finding" can be abbreviated as HF/DF

What is the meaning of HF/DF abbreviation?

The meaning of HF/DF abbreviation is "High Frequency/Direction Finding"

What does HF/DF mean?

HF/DF as abbreviation means "High Frequency/Direction Finding"