benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 SAGE, 1995-09-16,  unknown ,  unknown ,  TRIMBLE 4000SE,  3456,  6.12,  TRM14532.00,  28,  NONE, 0.9683, 0, 0, 163030
 SAGE, 1995-09-17,  unknown ,  unknown ,  TRIMBLE 4000SE,  3456,  6.12,  TRM14532.00,  28,  NONE, 1.3682, 0, 30, 163030
 sage, 1996-09-18,  GDH ,  USGS ,  ASHTECH Z-XII3,  143,  1F00,  ASH700718B,  11401,  NONE, 1.1682, 1.2179, 30, 0.007
 sage, 1996-09-19,  GDH ,  USGS ,  ASHTECH Z-XII3,  143,  1F00,  ASH700718B,  11401,  NONE, 1.1682, 1.2179, 30, 0.027
 sage Sage_1966_Calif_Div_, 1992-10-05,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 1.0353, 0, 30, 152530
 sage Sage_1966_Calif_Div_, 1992-10-06,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 1.0353, 0, 30, 0
 sage, 1996-07-09,  KAS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.2805, 1.329, 30, 15290
 sage, 1996-07-16,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.385, 1.4325, 30, 154830
 sage, 1996-09-17,  GDH ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.1682, 1.2179, 30, 1560
 sage, 1998-09-15,  GWB ,  USGS ,  ASHTECH,  278 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.0717, 1.1227, 30, 1500
 sage, 1998-09-16,  GWB ,  USGS ,  ASHTECH,  278 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.0717, 1.1227, 30, 10
 sage Sage_1966_Calif_Div_, 2000-08-24,  JLS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992805,  NONE, 1.1548, 1.2047, 30, 10
 sage Sage_1966_Calif_Div_, 2000-08-25,  JLS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992805,  NONE, 1.1548, 1.2047, 30, 10
 sage Sage_1966_Calif_Div_, 2000-08-26,  JLS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992805,  NONE, 1.1548, 1.2047, 30, 10
 sage Sage_1966_Calif_Div_, 2002-09-09,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0080104451,  NONE, 1.1819, 0, 30, 145130
 sage Sage_1966_Calif_Div_, 2002-09-10,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0080104451,  NONE, 1.1819, 0, 30, 130
 sage Sage_1966_Calif_Div_, 2002-09-19,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1671, 1.2169, 30, 1180
 sage Sage_1966_Calif_Div_, 2002-09-20,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1671, 1.2169, 30, 10
 sage Sage_1966_Calif_Div_, 2004-05-20,  GDH ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.1742, 1.2239, 30, 155330
 sage Sage_1966_Calif_Div_, 2004-05-21,  GDH ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.1742, 1.2239, 30, 30
 sage Sage_1966_Calif_Div_, 2004-05-22,  GDH ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.1742, 1.2239, 30, 30