SSSI Hydrography Commission News - April 2019

March 31, 2019

Don Wallace Memorial Lecture


Thanks to the Australian Hydrographic Office for providing the venue for this year's lecture on April 3rd and also an excellent series of talks aspart of the 2019 Hydrography Commission Seminar as a follow through from the Permanent Committee on Tides and Mean Sea Level (PCTMSL) and Ports Australia Hydrographic Surveyors Working Group (PA HSWG) meetings.  More details in the next GEO Message!


Shifting north magnetic pole forces unprecedented navigation fix

(with thanks to Peter Barr for sourcing the above link). If anyone has had experiences relating to the north magnetic pole or has an update on the above we would love to hear from you; please email the Hydro Commission secretariat via: .



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