The headquarters of the agency is at the Australian Hydrographic Office in Wollongong , New South Wales .
The Australian Hydrographic Service is an element of the RAN , and serves both military and civilian functions .
The headquarters of the agency is at the Australian Hydrographic Service     in Wollongong , New South Wales .
The Australian Hydrographic Service is an element of the RAN , and serves both military and civilian functions .