Accession Number:

ADA191484

Title:

DOD 1985 World Magnetic Model; Charts and Grid Values.

Descriptive Note:

Technical note,

Corporate Author:

NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MS

Personal Author(s):

• Cagle, Lana G.

Report Date:

1987-11-01

Pagination or Media Count:

114.0

Abstract:

The new Department of Defense magnetic model, WC-85 has been adopted as the official model by United States and Unite Kingdom defense establishments, and by the International Hydrographic Bureau. PRovided in this publication are a list of the WC-85 coefficients, 5 deg grid tables, and small-scale charts of main field and annual change values for the northward, eastward, and vertical components, total and horizontal intensities, declination and inclination of the geomagnetic field. Keywords Spherical harmonic coefficients Magnetic field components Declination Inclination Horizontal intensity Total intensity Secular variation.

Descriptors:

• *GEOMAGNETISM
• *MAPPING
• *EARTH MODELS
• GRIDS
• HORIZONTAL ORIENTATION
• INTENSITY
• LONG RANGE(TIME)
• MAGNETIC FIELDS
• UNITED STATES
• VARIATIONS
• VERTICAL ORIENTATION
• TABLES(DATA)

Subject Categories:

• Geomagnetism
• Geodesy
• Cartography and Aerial Photography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE