To obtain distribution, you have to check out the source code from CVS.
rayloc_ew is tested on Solaris and Linux.

Use 
make -f makefile.sol
for Solaris compilation

Use 
make -f makefile.linux
to compilae on Linux platform.

Several model files are required for proper operation of rayloc_ew.
Model files are available at:
http://www.isti.com/rayloc_ew/rayloc_model_linux.tgz
http://www.isti.com/rayloc_ew/rayloc_model_solaris.tgz

Ilya Dricker (i.dricker@isti.com)
and ISTI team
