What does xaa stand for?

xaa stands for "Aeronautical Radio Inc"

How to abbreviate "Aeronautical Radio Inc"?

"Aeronautical Radio Inc" can be abbreviated as xaa

What is the meaning of xaa abbreviation?

The meaning of xaa abbreviation is "Aeronautical Radio Inc"

What does xaa mean?

xaa as abbreviation means "Aeronautical Radio Inc"