The FORTRAN source code is composed of a collection of a main driver (JB08DRV.for), a subroutine (JB2008.for) that must be linked with the main driver, and a collection of data files for testing. The comments at the top of JB08DRV.for describes these files.

• Click here (JB2008_Code_v2.zip)

  This zip file contains the solar and DTC only to 2007. For more more current data, see the Indices page.

Note:
In a few rare instances, it was necessary to specify a compiler option (e.g., -xtypemap). If your output does not agree with the results contained in the file JB2008_TEST_OUTPUT.OUT, try adjusting the length of integers and real numbers. Please review your FORTRAN compiler documentation of to see the available options.

Note:
If the compressed zip files fail to download, you can acquire the files by opening the text files listed below in your browser and then saving the text to your disk without the .txt extension. Please download the indices files from the indices page

Code / Test data

JB2008.for.txt	JB2008DRV.for.txt	JB2008_TEST_INPUT.DAT.txt	JB2008_TEST_OUTPUT.out.txt