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The archive file datcom.zip contains the files:

readme.txt general description
namelist.pdf descriptions of the namelist data items
datcom.f The complete source code
exwin.zip The 11 sample cases from AFFDL-TR-79-3032 along with the expected output for each. Input files have the Window/DOS end-of-line characters
exlinux.zip Same as exwin.zip, but with Unix end-of line

In addition, you will probably want to download the user's manual and perhaps the complete DATCOM document. Links for these are on the references page for Digital Datcom.

To compile this program for your machine, use the command

gfortran datcom.f -o datcom.exe

Linux and Macintosh users may prefer to omit the .exe on the file name.

Launch the program by typing the command


at the command prompt. The program will ask you user for the name of the input data file. After reading the input data, the program produces datcom.out with the tabulated output data.

It is best if you compile the programs using your Fortran compiler with the appropriate options for your computer system. If you do not wish to do this, you may download datcomexecs.zip containing the files datcom.exe, datcom.mac, and datcom.lnx, the executable program for Windows, Mac OS X, and Linux, each compiled generically for an Intel CPU.

If you download this program and find it useful, please make a contribution to enable Public Domain Aeronautical Software continue making open source software available to the engineering community. If you click on the button below, you may contribute $20 through the PayPal site.

PDAS home > Contents > Digital Datcom > Digital Datcom download
Public Domain Aeronautical Software (PDAS)