The requested vessel with name GAUDEAMUS and MMSI:316020504 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
GAUDEAMUS N/A 224322680 Feb 19, 2018 22:55 UTC
GAUDEAMUS N/A 261000510 Oct 15, 2017 17:32 UTC
GAUDEAMUS II N/A 211616330 Jun 20, 2017 17:52 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.