site          sitenum  datetime             Group           lat           lon          
site149       149      2014-12-19T02:15:00  Silverfish      -77.63303176  165.2245501  
site149       149      2014-12-19T02:15:00  Krill           -77.63227002  165.2245353  
site149       149      2014-12-19T02:15:00  WeakScatterers  -77.63292623  165.2264019