site          sitenum  datetime             Group           lat           lon          
site113       113      2014-12-05T02:18:00  LargeFish       -77.63099191  165.9466492  
site113       113      2014-12-05T02:18:00  Krill           -77.63076148  165.9480556  
site113       113      2014-12-05T02:18:00  WeakScatterers  -77.63041209  165.9513282