[R] R Package That Contains Any Earth Magnetic Model

Jason Rupert jasonkrupert at yahoo.com
Sun Aug 2 14:20:16 CEST 2009

I guess I will broaden the question to include any Earth Geomagnetic Model, e.g. DoD World Magnetic Model (WMM).  Does there exist an R package that includes any geomagnetic model?   

Here is an example of a couple of others provided by NASA, e.g.

Unless I hear back, I guess I will investigate porting these to R as a function and then as a package.   

Thanks again for the insights and feedback. 


--- On Sat, 8/1/09, Jason Rupert <jasonkrupert at yahoo.com> wrote:

From: Jason Rupert <jasonkrupert at yahoo.com>
Subject: R Package That Contains International Geomagnetic Reference Field (IGRF)
To: R-help at r-project.org
Cc: jasonkrupert at yahoo.com
Date: Saturday, August 1, 2009, 6:19 PM

By any chance is anyone aware of an R package that contains a representation of the International Geomagnetic Reference Field (IGRF)?  

I've tracked down some Fortran and C code for the IGRF-10, and possibly IGRF-11, and was hoping to avoid an awkward port.  

Thanks again for any feedback and leads provided.

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