Acronyms 
67 
Acronyms 
BSH 
Bundesamt für Seeschifffahrt und Hydrographie - Federal Maritime and Hydrographic 
Agency of Germany 
CET 
DIN 
GDR 
HN 
IMGW-OM 
Central European Time 
Deutsches Institut für Normung (German Institute for Standardization) 
German Democratic Republic 
Land survey datum of Mecklenburg-Vorpommern 
Instytut Meteorologii i Gospodarki Wodnej, Oddziat Morski - Institute of Meterology 
and Water Management, Baltic Sea 
MSL 
NAVTEX 
NN 
P 
PN 
T 
UTC 
Mean Sea Level 
Navigational Warnings by Telex 
Land survey datum of Schleswig/Holstein and Poland 
Probability 
Gauge datum 
Intervals of recurrence 
Universal Time Coordinated