[gembud] Installing gempak on a RHEL7 system

Just tried following the instructions at
https://www.unidata.ucar.edu/software/gempak/doc/install.html to install
gempak on an RHEL7 workstation. I'm getting "No package gempak available".
In classic RH/yum nomenclature, this is a fairly unhelpful response, so I'm
hoping someone else had looked at this before.

Thanks
Gerry
-- 
Gerry Creager
NSSL/CIMMS
405.325.6371
++++++++++++++++++++++
âBig whorls have little whorls,
That feed on their velocity;
And little whorls have lesser whorls,
And so on to viscosity.â
Lewis Fry Richardson (1881-1953)