benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 prat, 1994-06-15,  Freymueller Jeff ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.4854, 0, 30, 184930
 prat, 1994-06-16,  Freymueller Jeff ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.4854, 0, 30, 30
 prat, 1994-06-17,  Freymueller Jeff ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.4854, 0, 30, 30
 prat, 1994-06-18,  Freymueller Jeff ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.4854, 0, 30, 30
 prat, 1994-06-19,  Burgmann Roland ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.4166, 0, 30, 1110
 prat, 2013-03-14,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.4519, 1.4988, 15, 0
 prat, 2013-03-15,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.4519, 1.4988, 15, 0
 prat, 2013-03-16,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.4519, 1.4988, 15, 0