R: World Magnetic Model

# World Magnetic Model

## Documentation for package ‘wmm’ version 1.1.1

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

wmm-package | wmm: R Implementation of World Magnetic Model
.CalcLegendre | Compute Associated Legendre Functions Given Sequence of (degree, order) Indices
.CalcLegendreComponents | Compute Legendre Components
.CalcPolynomialComponents | Calculate Polynomial Components for Associated Legendre Function
.CalculateGaussCoef | Lookup Table for Gauss coefficients g & h
.CalculateGeocentricFieldSum | Calculate sum of geocentric field components
.CalculateMagneticElements | Calculate Expected Magnetic Elements from WMM2020
.CalculateMagneticField | Calculate Expected Magnetic Field from WMM2020
.CalculateRadiusCurvature | Radius of curvature of prime vertical
.CheckBlackoutZone | Check if given horizontal intensity triggers a blackout zone
.CheckVersionWMM | Check if given time is consistent with available WMM versions
.ConvertGeocentricToGeodeticFieldComponents | Geocentric Coordinates to Geodetic Coordinates
.ConvertGeodeticToGeocentricGPS | Convert from Geodetic to Geocentric Coordinates
.DeriveVersionInfo | Derive WMM version based on given time
GetMagneticFieldWMM | Calculate Expected Magnetic Field from WMM
wmm | wmm: R Implementation of World Magnetic Model