Jump to Navigation
Global Positioning System
GPS
Satellite-based navigation system developed and operated by the United States Department of Defense becoming operational in 1993. It uses 24 satellites, and users can determine position, speed and time.
Main menu
Home
Special Features
Learn About
Browse Collection
About
Search
Main menu
Home
Special Features
Glossary
Journal of Edwin Mitchell
The Log of the Coolie Master
The Journal of Margaret Oakes
Learn About
Maritime Communities
Our Maine Ancestors
Fisheries
Working The Bay
History of Navigation
Ships & Shipbuilding
Maine and the Orient
Life at Sea
Marine Art
The Searsport Captains
Women’s Roles
Browse Collection
About
About The Museum
About The Site
Contact
Search
Search form
Search
»
Advanced Search Options
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Y
Z