What does PER stand for?
PER stands for "Probable Error Radial"
How to abbreviate "Probable Error Radial"?
"Probable Error Radial" can be abbreviated as PER
What is the meaning of PER abbreviation?
The meaning of PER abbreviation is "Probable Error Radial"
What does PER mean?
PER as abbreviation means "Probable Error Radial"
