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

PDF Url : ADA191484

Report Date : Nov 1987

Pagination or Media Count : 114

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