site          sitenum  datetime             Group           lat           lon          
site105       105      2014-12-04T01:55:00  LargeFish       -77.59893217  165.8647802  
site105       105      2014-12-04T01:55:00  Krill           -77.59913473  165.8640877  
site105       105      2014-12-04T01:55:00  WeakScatterers  -77.5989172   165.8639427