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Calculate vertical or apparent cutoff rigidity at any point on earth using Magnetocosmics (Desorgher, 2004).
See geomagnetic field parameters: IGRF/DGRF table


Latitude
(90°N to -90°N)
Longitude
(0°E to 360°E)
Year
(1900 to 2025)

Calculate apparent cutoff (takes ~10x longer)
Enter additional data




References

Desilets, D., 2021, Cutoff rigidity calculations for cosmic ray neutron sensors, Hydroinnova Technical Document 21-02, doi: 10.5281/zenodo.5396587.

Desorgher, L., 2004. MAGNETOCOSMICS Software User Manual. Physikalisches Institut University of Bern, http://cosray.unibe.ch/~laurent/magnetocosmics/doc/magnetocosmics_sum.pdf, Bern.