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Version 1.9 Build 1488

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igrf - Function

	Package	general
	Module	measuresdata

Get IGRF models

Synopsis
igrf(fmt)

Description
Load the international Geomagnetic Reference Field model table IGRF (or DGRF) from the Goddard data center. The full table is loaded each time an update is necessary. The fmt argument selects the current format available: 2 was until 1999; 1 is from 2000 (till 2005?).

Example

- include 'measuresdata.g'
- igrf()
T

Arguments

fmt		format of table from ftp
		Allowed:	code: 1 most recent
		Default:	1

Returns
bool