site          sitenum  datetime             Group           lat           lon          
site143       143      2014-12-14T02:48:00  Silverfish      -77.62840254  165.2508619  
site143       143      2014-12-14T02:48:00  Krill           -77.62798745  165.2536558  
site143       143      2014-12-14T02:48:00  WeakScatterers  -77.6283737   165.2511469