ETGTAB has been superseeded by PREDICT - a module in the ETERNA software package. It allows to compute the tidal response of an elastic Earth anywhere on its surface.
It may be freely distributed for research purposes.
ETGTAB and PREDICT are written in FORTRAN77. PREDICT has been modified to complile under UNIX.
You can retrieve it including documentation from our server.
ETGTAB and PREDICT were written by late Prof. H.-G Wenzel, Geodetic Institute, Karlsruhe University