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== FLEXTRA Roadmap ==

This roadmap gives an overview of the development FLEXTRA ''trajectory model'' versions. It shall be expanded back into the past. Order is reverse chronologically. 

At this moment, no new versions are under preparation.


||'''Version'''||'''Date released'''|| '''Download'''||'''Important changes'''||'''Main author'''||
||1.0||1996 ?||--||||A. Stohl, G. Wotawa, P. Seibert||
||2.0||7/1998 ?||download:18||Various improvements and bug fixes, many related to isentropic trajectories and to PV||A. Stohl, P. Seibert, G. Wotawa||
||3.0||1/1999||download:19||Use of global fields allowed (polar stereographic grids), Nesting allowed, CET option introduced, New method of adding random errors to uncertainty trajectories||A. Stohl||
||... ||
||'''5.0*'''||12/2011||download:25|| || ||

'''* recommended Version! '''