What does ROAn mean in Governmental & Military

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All ROAn meanings

What does ROAn stand for?

ROAn stands for "Royal Observatory Annals"

How to abbreviate "Royal Observatory Annals"?

"Royal Observatory Annals" can be abbreviated as ROAn

What is the meaning of ROAn abbreviation?

The meaning of ROAn abbreviation is "Royal Observatory Annals"

What does ROAn mean?

ROAn as abbreviation means "Royal Observatory Annals"