benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 0616, 1994-03-10,  J.D. DIMARE ,  NATIONAL GEODETIC SU,  TRIMBLE 4000,  1571,  SSE,  TRM14532.00,  747,  NONE, 2.22, 0, 30, 191630
 0616, 1998-06-26,  unknown ,  CALIF DEPT TRANSPORT,  TRIMBLE 4000SSE,  7882,  NP,  TRM14532.00,  114383,  NONE, 2, 0, 15, 19530
 0616, 1998-07-01,  unknown ,  CALIF DEPT TRANSPORT,  TRIMBLE 4000SSE,  7882,  NP,  TRM14532.00,  114383,  NONE, 2, 0, 15, 184430
 0616, 1998-07-02,  unknown ,  CALIF DEPT TRANSPORT,  TRIMBLE 4000SSE,  7882,  NP,  TRM14532.00,  114383,  NONE, 2, 0, 15, 14320
 0616, 2010-03-04,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4751, 1.5219, 15, 161515
 0616, 2010-03-05,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4933, 1.54, 15, 16715
 0616 06-16_1991_Caltrans, 2020-01-26,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01599,  NONE, 1.3349, 1.3829, 15, 15310
 0616 06-16_1991_Caltrans, 2020-01-27,  ELP ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01599,  NONE, 1.3188, 1.3669, 15, 145015