Access to the FTP site for SPECTRUM
The latest UNIX/Linux version of SPECTRUM as well as Windows binaries
may be obtained at the download sites linked below.
The latest "stable" version of SPECTRUM is 2.77c
For UNIX/Linux, download spectrum277c.tar.gz and at least one of the
For Windows, download spectrum276.zip, spectrum101.zip (a Windows GUI)
and at least one
of the line list
Note that v2.76 is a major upgrade for SPECTRUM. Files associated
with v2.76, such as atom.dat and stdatom.dat are not compatible with earlier
Full instructions for installing SPECTRUM on both UNIX/Linux and
Windows platforms are included in the documentation.
Read the Notes on
Windows or the online or PDF documentation to learn how to
install the Windows binaries.
If you have any difficulties compiling or running SPECTRUM on
your computing platform, please do not hesitate to contact me at