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This is the last sitrep for the voyage. This morning we re-visited and observed the surface float for the PULSE mooring deployed on the first day of the voyage. We are now in transit to the edge of the continental shelf off the Tasman Peninsula where we will acquire data to ensure correct alignment of the Acoustic Doppler Current Profiler (ADCP) used to measure currents in the water-column while we are underway. This involves steaming up and down several times over the same track for about 10 miles with a Williamson Turn at each end. This manoeuvre is used for man-overboard emergencies, the helm is put hard over to one side until the ship is 60 degrees off the original course and then hard over to the other side; it is the fastest way of bringing the ship back on the same track in the opposite direction. This morning we celebrated Australia Day in the traditional way - with a Devonshire morning tea of scones, jam and cream, followed by the voyage awards ceremony. Voyage Management and expeditioners wish to express their thanks to Captain Ian and the hardworking folk on the bridge, galley, engine-room and deck for making this a most successful and enjoyable voyage. Thank-you all. Thanks also to everyone at the wharf for getting us off promptly and for working on Sunday to unload our gear and samples. Finally, thanks to the people in Sea and Air Operations for providing excellent support before and during the voyage. ETA Hobart, 0800hrs alongside Macquarie No. 4 wharf, Sunday 27 January 2008. Regards, Martin and Sarah.
Map
A map showing Australia and Antarctica. The map shows the journey of one voyage that has occured in the season, with each route highlighted in a distinct colour.