What does SPN stand for?
SPN stands for "Shipboard Radar Navigation"
How to abbreviate "Shipboard Radar Navigation"?
"Shipboard Radar Navigation" can be abbreviated as SPN
What is the meaning of SPN abbreviation?
The meaning of SPN abbreviation is "Shipboard Radar Navigation"
What does SPN mean?
SPN as abbreviation means "Shipboard Radar Navigation"