site          sitenum  datetime             Group           lat           lon          
site142       142      2014-12-15T22:48:00  Silverfish      -77.62243747  165.336275   
site142       142      2014-12-15T22:48:00  Krill           -77.62318574  165.3375023  
site142       142      2014-12-15T22:48:00  WeakScatterers  -77.62271432  165.3364974