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Warning: I found an error if the DR position is on the southern hemisphere. The PUB249 pdf files did not show this error and are correct (as far as I checked). All Revisions 8+ and the Windows release have been fixed.
This PythonTK application calculates a good set of stars for a 3 star fix, makes all calculations similar to the FAAs Celestial Computation Sheet (see FAA doc FAA-H-8083-18).
Also, you can create a PDF file that generates Pub 249 Vol 1 for any epoch you specify.
The PUB249 as PDF is found under "Files".
I wrote this for my aircraft bubble octant :-)
It is mainly useful for air navigation as it assumes a bubble sextant but may be used for normal sextants as well.
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Copy multiples feature classes in ArcSDE to a local file geodatabase
Why use it?
You can create your own Python script using model builder, but you have to modify the script everytime you want to dump different tables. Using this script you only need to have a CSV with all the table names, that’s it.
Purpose:
It can be used as an archival and historical database
It will make you ArcSDE database portable and shareable
TransimsGui and makeTransims allow users to automatically generate triptables, timetables and vehicle files, edit individual control files, create batch files for transims feedback processes, run exe-control file pairs and run batch files.