What does HRO stand for?
HRO stands for "HAM Radio Observation"
How to abbreviate "HAM Radio Observation"?
"HAM Radio Observation" can be abbreviated as HRO
What is the meaning of HRO abbreviation?
The meaning of HRO abbreviation is "HAM Radio Observation"
What does HRO mean?
HRO as abbreviation means "HAM Radio Observation"
