The plug-in that I use to display photographic EXIF data and create a Google Maps link (EXZO) is sending the longitude as a positive number for Westerly longitudes when it should be negative. So all Westerly longitudes are sent to Google Maps as Easterly. It probably does the same for Southerly latitudes but I haven't checked that.
I've e-mailed the plug-in author so I expect there'll be a fix along soon.
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