DMA TECHNICAL MANUAL 8358.1



DATUMS, ELLIPSOIDS, GRIDS, AND GRID REFERENCE SYSTEMS

TABLE OF CONTENTS

FRONT MATTER

FOREWORD

LIST OF FIGURES

LIST OF TABLES

CHAPTER 1 GENERAL
1-1 - Authority
1-2 - References
1-3 - Purpose
1-4 - Scope
1-5 - Utilization
1-6 - Definitions
1-7 - Reference Systems
1-8 - Standard and Nonstandard Grids
1-9 - Multiple Grids
1-10 - Overlapping Grids
1-11 - Extended Grids
1-12 - Grid and Datum Related Marginal Notes
1-13 - Supercession
CHAPTER 2 DATUMS, ELLIPSOIDS, PROJECTIONS AND MILITARY GRIDS
2-1 - General
2-2 - Horizontal Datums
2-3 - Transforming Coordinates from one Horizontal Datum to Another Horizontal Datum
2-4 - Ellipsoids
2-5 - Projections
2-6 - Military Grids
2-7 - Transforming Coordinates from one Grid System to Another Grid System
CHAPTER 3 THE U. S. MILITARY GRID REFERENCE SYSTEM (MGRS)
3-1 - General Description
3-2 - The Grid Zone Designation
3-3 - 100,000-Meter Square Identification
3-4 - The Military Grid Reference
3-5 - MGRS Application
CHAPTER 4 THE NONSTANDARD GRID SYSTEMS IN CURRENT USE PAGE
4-1 - Nonstandard Grids on Maps and Charts
4-2 - Diagrams of Nonstandard Grids
CHAPTER 5 GEOGRAPHIC COORDINATE REFERENCES
5-1 - Use
5-2 - The Geographic Reference
5-3 - Geographic Coordinates on Maps and Charts
5-4 - The World Geographic Reference System
CHAPTER 6 PORTRAYAL OF GRIDS ON MAPS AT 1:100,000 SCALE AND LARGER
6-1 - General
6-2 - The Major Grid
6-3 - Multiple Major Grids
6-4 - Overlapping Grids
6-5 - Secondary Grids
6-6 - The Declination Diagram (One Grid)
6-7 - The Declination Diagram (More Than One Grid)
6-8 - The Grid Reference Box
CHAPTER 7 PORTRAYAL OF GRIDS ON MAPS AT 1:250,000 AND 1:500,000 SCALE
7-1 - General
7-2 - The Major Grid
7-3 - Multiple Major Grids
7-4 - Overlapping and Extended Grids
7-5 - Secondary Grids
7-6 - Grid Declination
7-7 - Magnetic Dechnotion
7-8 - The Grid Reference Box
CHAPTER 8 PORTRAYAL OF GRIDS ON MAPS AT 1:1,000,000 SCALE
8-1 - General
8-2 - The Major Grid
8-3 - Multiple Major Grids
8-4 - Overlapping, Extended, and Secondary Grids
8-5 - Grid and Magnetic Declinations
8-6 - The Grid Reference Box
CHAPTER 9 GRIDS ON NAUTICAL CHARTS AT 1:75,000 SCALE AND LARGER
9-1 - General
9-2 - The Major Grid on Combat Charts and Amphibious Assault Charts
9-3 - The Major Grid on Mine Warfare Charts
9-4 - The Major Grid on Harbor, Approach, and Coastal Charts
9-5 - Multiple Major Grids on Combat Charts and Amphibious Assault Charts
9-6 - Multiple Major Grids on Harbor, Approach, and Coastal Charts
9-7 - Overlapping Grids on Combat Charts, Amphibious Assault Charts, and Mine Warfare Charts
9-8 - Overlapping Grids on Harbor, Approach, and Coastal Charts
9-9 - Secondary Grids
9-10 - The Declination Note
9-11 - The Grid Reference Box
9-12 - World Geodetic System (WGS) Datum Note
CHAPTER 10 GRIDS ON NAUTICAL CHARTS AT SCALES SMALLER THAN 175,000
10-1 - General
10-2 - The Major Grid
10-3 - Multiple Grids
10-4 - Secondary Grids
10-5 - The Grid Reference Box (or Notes)
10-6 - World Geodetic System (WGS) Datum Note
CHAPTER 11 GRIDS ON AERONAUTICAL CHARTS AT 1-500,000 SCALE AND LARGER
11-1 - General
11-2 - The Major Grid
11-3 - Grid Declination
11-4 - Magnetic Declination
11-5 - The Grid Reference Box
APPENDIXES
A - Table of Mil Equivalents
*B - 100,000-Meter Square Identifications of the Military Grid Reference System (Graphics), Figures B-1 through B-4
*C - Guide To Geodetic Status Of Large Scale Mapping
*D -Index to Preferred Grids, Datums and Ellipsoids Specified for New Mapping

* Requires periodic update and revision.


Point of Contact: Geospatial Science Division
Phone: (314) 676-9123, DSN 846-9123
gandg@nga.mil

Document last modified September 15, 2014

NGA Home
NGA Footer