benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ston, 2001-09-07,  JMS ,   ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 0.5118, 0.5786, 30, 18300
 ston, 2001-09-08,  JMS ,   ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 0.5118, 0.5786, 30, 10
 ston, 2001-09-13,  WRT ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.4397, 1.4868, 30, 1670
 ston Ston_USGS, 2005-09-12,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 0.5342, 0.5998, 30, 0
 ston Ston_USGS, 2005-09-13,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 0.5342, 0.5998, 30, 0
 ston Ston_USGS, 2005-09-15,  WRT ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.2814, 1.3299, 30, 184930
 ston Ston_USGS, 2010-09-24,  WRT ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.2814, 1.3299, 15, 0