Contains everything for the computations in the manuscript On refined metric and hermitian structures in arithmetic, I: Galois-Gauss sums and weak ramification by W.Bley, D.Burns and C.Hahn. First extract the files from bbh.tar (e.g. by the command "tar xvf bbh.tar"). Then use MAGMA and go through the file run_bbh.m with copy and paste.