This package was debianized by Joop Stakenborg pa3aba@debian.org on
Sat, 21 Jul 2001 01:33:23 +0200.

All files in xlog were written by me and put under the GPL version 3.
cty.dat is maintained by Jim Reisert, AD1C <jjreisert@alum.mit.edu>
and is publicly available from www.k1ea.com/cty.

From src/main.c:

/*

   xlog - GTK+ logging program for amateur radio operators
   Copyright (C) 2001 - 2007 Joop Stakenborg <pg4i@amsat.org>

   This file is part of xlog.

   Xlog is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Xlog is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with xlog.  If not, see <http://www.gnu.org/licenses/>.

*/

Packaging is done by the upstream author and is licensed under the GPL
version 3.

A copy of the GPL should be on your debian system under 
/usr/share/common-licenses.