Radiation Protection Dosimetry Advance Access originally published online on July 16, 2009
Radiation Protection Dosimetry 2009 136(4):267-273; doi:10.1093/rpd/ncp128
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IASON-FREE: theory and experimental comparisons
1 IASON GmbH, Feldkirchner Straße 4, A-8054 Graz-Seiersberg, Austria
2 Department of Physics and Astronomy, Northern Arizona University, PO Box 6010, Flagstaff, AZ 86011-6010, USA
3 Institute for Material Physics, Graz University of Technology, Petersgasse 16/IV, A-8010 Graz, Austria
* Corresponding author: Ernst.Felsberger{at}iason.eu
A sophisticated flight code named FREE (acronym for Flight Route Effective Dose Estimation) was built for professional commercial usage. During its creation special precautions have been taken to take correctly into account all existing dependencies and details, so that the best possible result is achieved. Some of these factors are presented in detail and their effect on doses or dose rates is estimated. Detailed comparisons to more recent measurements for both quiescent as well as disturbed conditions are presented. The agreement at undisturbed conditions turns out to be excellent and also the comparisons to measured transient effects are very satisfactory.