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

https://www.reuters.com/article/us-science-north/shifting-north-magnetic-pole-forces-unprecedented-navigation-fix-idUSKCN1P51UE

(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: rom.nsw@sssi.org.au .