benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 sarc Sarcobatus_1949_USCGS, 1994-05-26,  unknown ,  NGS ,  TRIMBLE 4000SST,  482,  4.81,  TRM14532.00,  20,  NONE, 2.22, 0, 15, 191830
 sarc Sarcobatus_1949_USCGS, 1994-05-31,  unknown ,  NGS ,  TRIMBLE 4000SST,  482,  4.81,  TRM14532.00,  20,  NONE, 2.22, 0, 15, 185730
 sarc SARCOBATUS_USC&GS, 1999-05-03,   ,   ,  TRIMBLE 4000SSE,  4871,  7.25,  4000ST,  30429,  L1/L2, 2, 0, 30, 19360
 sarc SARCOBATUS_USC&GS, 1999-05-04,   ,   ,  TRIMBLE 4000SSE,  4871,  7.25,  4000ST,  30429,  L1/L2, 2, 0, 30, 152630
 sarc SARCOBATUS_USC&GS, 1999-05-05,   ,   ,  TRIMBLE 4000SSE,  4871,  7.25,  4000ST,  30429,  L1/L2, 2, 0, 30, 152730
 sarc Sarcobatus_1949_USCG, 1995-03-22,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E00,  ASH700228A,  0745,  NONE, 1.2976, 1.3459, 30, 15430
 sarc Sarcobatus_1949_USCG, 1995-03-23,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E00,  ASH700228A,  0745,  NONE, 1.2986, 1.3469, 30, 154130
 sarc Sarcobatus_1949_USCG, 1995-03-24,  GDH ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E00,  ASH700228D,  1058,  NONE, 1.202, 1.2513, 30, 16220
 sarc Sarcobatus_1949_USCG, 1996-02-13,  JMS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.1965, 1.2459, 30, 16520
 sarc Sarcobatus_1949_USCG, 1996-02-14,  CHS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.2612, 1.3099, 30, 164330
 sarc Sarcobatus_1949_USCG, 1997-10-31,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.3257, 1.3738, 30, 164230
 sarc Sarcobatus_1949_USCG, 1997-11-03,  GDH ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.2388, 1.2877, 30, 16500
 sarc Sarcobatus_1949_USCG, 1999-04-23,  CHS ,  USGS ,  ASHTECH,  LP03450 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.2742, 1.3228, 30, 154630
 sarc Sarcobatus_1949_USCG, 1999-04-24,  JLS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936E_C,  CR16116,  NONE, 1.1569, 1.2068, 30, 1590
 sarc Sarcobatus_1949_USCG, 2002-06-08,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.2137, 1.2629, 30, 155430
 sarc Sarcobatus_1949_USCG, 2002-06-10,  GDH ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1752, 1.2249, 30, 145930