site          sitenum  datetime             Group           lat           lon          
site158       158      2014-12-18T03:09:00  Silverfish      -77.70313381  165.4082674  
site158       158      2014-12-18T03:09:00  Krill           -77.70312205  165.4081422  
site158       158      2014-12-18T03:09:00  WeakScatterers  -77.70275071  165.4069574