1

AAAA

ABAB

ACAC

ADAD

AEAE

AFAF

AGAG

AHAH

001001 002002 003003 004004 005005 006006 007007 008008 009009

006AG39

006AG31 2 3

4 5 6

7 8 9

3

1 2

4

Origin Point180 E/W & 90S

006AG

Cell to Quadrant to Keypad yields 5 min x 5 min cell; takes advantage of existing 1:100K and 1:50K charts

Current 1:50,000 chart has symbology “+” to denote

5 x 5 keypads

Each Quadrant Can Be Further Sub-divided

Into Nine 5 min X 5 minKeypads

Each Cell Is Sub-Divided Into Four

15 min X 15 min Quadrants1:50,000 charts = 15 min x 15 min

GARS Global Overview

Each Cell Is 30 min x 30 min1:100,000 charts = 30 min x 30 min

3

JOA (GARS OVERLAY)

4

GARS for CT, RI, MA

5

N 1 N 2 N 3 N 4 N 5 N 6 N 7 N 8

E 1

E 2

E 3

S 8S 7S 6S 5S 4S 3S 2S 1

W 1

W 2

W 3

6