Select Source Code and Documents

Users should acknowledge getting an empirical model from the CEDAR Database (e.g. 'This study received the .... model from the CEDAR Database at the National Center for Atmospheric Research, which is supported by the National Science Foundation.'). They should also use an appropriate reference for the model.

Click on a link to retrieve the item using http. You can either download a PC file zipped with WINZIP 7.0, or a UNIX file tarred and then zipped with gzip 1.2.4

Other links below are only one item, and can be viewed online. On some browsers, holding down the "Shift" key while clicking will save the file to a directory instead. Or, try using the right-most mouse button

Access Program: Tab Character Format from web - Fortran (.f) - IDL (.pro)
(NOTE: The Fortran program was changed 3/14/03 to read integers mostly instead of all strings.)

Model: International Geomagnetic Reference Field - Windows .zip file
Model: Apex magnetic coordinates - Windows .zip file
Model: International Reference Ionosphere (IRI-90) - Windows .zip file
Model: Neutral composition (MSIS-2000) - Windows .zip file
Model: Neutral winds (HWM-93) - Windows .zip file
Model: Conductances (HPI) - Windows .zip file
Model: Electric Potential (Richmond's quiet-day solar min)

All the following electric potential models either came with the ability to get the electric fields, or this feature was added for AMIE (Assimilative Mapping of Ionospheric Electrodynamics) use.
Model: Electric Potential (HMR) - Windows .zip file
Model: Electric Potential (IZMEM) - Windows .zip file
Model: Electric Potential (MHI/MHS) - Windows .zip file
Model: Electric Potential (WEIMER 1996) - Windows .zip file