IRI 2012

International Reference Ionosphere 2012 model
Updated 22 May 2014

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This is a class that implements the International Reference Ionosphere (IRI) 2012. The model has historical data and projections from 1958 to 2015. It is responsive to daily and seasonal variations and also to solar storms.

Cite As

Kip Knight (2024). IRI 2012 (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2013a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

added examples, more testing

added example documentation in doc subfolder.
fixed condition of no OARR input.

added Matlab unit test framework.
added density gradient and temperature gradient return values.
added more unit tests to check all options.
fixed various NaN conditions and bad print statements.

more robust input handling, added electron density gradient and temperature gradients