MODTRAN: ITS QUIRKS AND USES.

Guest post by KEVIN KILTY An Atmospheric Transmission Model Introduction This post is not one I planned to do. It has grown from work I was doing with MODTRAN (moderate resolution transmission program) in support of my post on June 14, 2019. As I mentioned in that thread I had gotten odd results from MODTRAN,…

Advertisements

A Modtran Mystery

Guest Post by Willis Eschenbach I’ve been messing about with the “Modtran” online calculator for atmospheric absorption. It’s called “Modtran” because it is a MODerate resolution program to calculate atmospheric infrared absorption written in ForTRAN, which calculates the result for each 1 cm-1 wide band of the wavenumber across the spectrum. Not quite a “line-by-line” calculation, but…