Applying The 6.4a Patch (TIME / FV only) To Your 6.4 Installation See the HEASOFT 6.4 Release Notes or the HEASOFT 6.4 bugs page for more information about this patch. First, download the patch installer for v6.4a. Next: If you are patching an existing HEASoft 6.4 source code distribution, download the source code patch. Alternatively, if you are patching an existing HEASoft 6.4 pre-compiled binary distribution, download the tar file below appropriate for your architecture & operating system: Linux PC Linux PC 64-bit Darwin 7.x Mac PPC Darwin 8.x Mac PPC Darwin 9.x Mac PPC Darwin 8.x Mac Intel Solaris/SunOS Linux Mac PPC Cygwin PC Finally, copy the patch installer (hdpatch.sh) and the patch file you downloaded above to the directory containing your pre-existing headas-6.4 directory. Then, simply run the installer script (using sh): sh hdpatch.sh If you have any questions about the information above, please write to us at the FTOOLS help desk. FTOOLS HELP DESK If FTOOLS has been useful in your research, please reference this website (http://heasarc.gsfc.nasa.gov/ftools/) and the following: Blackburn, J. K. 1995, in ASP Conf. Ser., Vol. 77, Astronomical Data Analysis Software and Systems IV, ed. R. A. Shaw, H. E. Payne, and J. J. E. Hayes (San Francisco: ASP), 367. Web page maintained by: Bryan K. Irby