A science forum and...

I was just playing with it. I'm not sure if it's used for mission-critical projects, but here's an alarming artifact, almost a half kilometre long.

Do not use for nautical navigation!
Today, I went to the coast to take the dogs for a walk and my watch stated

N 54°52.2952
W 003°35.8061
30U VF 61704
MGRS 80665

So I was trying to make sense of the 61704 and 80665 per the web site.

Military Grid Reference System.