So what do those coordinates mean anyhow?

(Victoria posting ...) Got a call from Bill & Teri who asked for a bit of help deciphering Spencer's coordinates.  For those of you who don't regularly look at a map to track hurricanes (or boats), I've posted a Hurricane Spencer Tracking Chart out on the web, which I'll update as he calls in.  I'm not sure what the minutes mean, but I'm sure this makes sense to the sailors out there ;-)  

Click Here to access the Tracking Chart

St. Martin is 18.2N63.1W

Spencer today is at 29N55W 

The Azores are 38N28W
The Canary Islands are 28N15W
Gibraltar is 36N6W
Croatia is in the Eastern Hemisphere, 45N15E