benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 haul Haul_1989_NCER, 1992-03-03,  GDH ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6b,  ASH700228A,  1026,  NONE, 1.3448, 1.3927, 30, 6470
 haul Haul_1989_NCER, 1993-01-25,  GDH ,  USGS ,  ASHTECH,  107 ,  LM-XII3 6M24,  ASH700228D,  *031,  NONE, 1.2281, 1.2772, 30, 11270
 haul Haul_1989_NCER, 1994-05-02,  GDH ,  USGS ,  ASHTECH,  831 ,  LM-XII3 7A,  ASH700228A,  1027,  NONE, 1.2745, 1.3231, 30, 142630
 haul Haul_1989_NCER, 1995-07-18,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E00,  ASH700228A,  0745,  NONE, 1.3499, 1.3977, 30, 163730
 haul Haul_1989_NCER, 1996-06-27,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.3671, 1.4148, 30, 15470
 haul Haul_1989_NCER, 1997-10-06,  GDH ,  USGS ,  ASHTECH,  *LP02434 ,  Z-XII3 1E95,  ASH700936D_M,  *210,  NONE, 1.2954, 1.3438, 30, 17330
 haul Haul_1989_NCER, 1997-12-11,  GDH ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.2429, 1.2918, 30, 171630
 haul Haul_1989_NCER, 1999-01-25,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936E_C,  CR16980,  NONE, 1.1488, 1.1988, 30, 165330
 haul Haul_1989_NCER, 1999-01-26,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936E_C,  CR16980,  NONE, 1.1923, 1.2418, 30, 16540
 haul Haul_1989_NCER, 2001-02-12,  GDH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1812, 1.2308, 30, 17180
 haul Haul_1989_NCER, 2001-02-14,  GDH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2034, 1.2527, 30, 165530