Totaltide [electronic resource] : the world's most comprehensive tidal prediction system.
Great Britain.Hydrographic Office.
Taunton : United Kingdom Hydrographic Office,
2002-
"DP550" ; "40552".
Password protected ; Permanent key required.
Title from disc label.
System requirements: Windows 98, NT, 2000 or, new for 2002, Windows XP.
Tide-predictors
Disc requires software not supported by the library, and may not be available for use.