The Multicast Beacon was created in NLANR/DAST. For more information and full official version of this software (server, client and viewer) go to http://dast.nlanr.net/projects/beacon. Here you can download the server and client with new features added by PSNC.
Download:
Beacon server (19-12-2003) - java sources and binaries
Beacon client (19-03-2004) - java sources and binaries
NLANR Multicast Beacon copyright
contact e-mail: beacon@man.poznan.pl