benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 a300 A300_stmpd_D183_1934_, 1996-09-18,  KAS ,  USGS ,  ASHTECH Z-XII3,  4600,  1F00,  ASH700228D,  1036,  NONE, 0.562, 0.6263, 30, 235959.964
 a300 A300_stmpd_D183_1934_, 1996-09-19,  KAS ,  USGS ,  ASHTECH Z-XII3,  4600,  1F00,  ASH700228D,  1036,  NONE, 0.562, 0.6263, 30, 235959.825
 a300 A300_stmpd_D183_1934, 1992-10-05,   ,   ,  TURBOROGUE,  111 ,   ,  AOAD/M_T,  118,  NONE, 0.0814, 0, 30, 164430
 a300 A300_stmpd_D183_1934, 1992-10-06,   ,   ,  TURBOROGUE,  111 ,   ,  AOAD/M_T,  118,  NONE, 0.0814, 0, 30, 0
 a300 A300_stmpd_D183_1934, 1996-09-17,  KAS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 0.562, 0.6263, 30, 14320
 a300 A300_stmpd_D183_1934, 1998-09-14,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936E_C,  CR16379,  NONE, 1.2459, 1.2948, 30, 222730
 a300 A300_stmpd_D183_1934, 1998-09-15,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936E_C,  CR16379,  NONE, 1.2459, 1.2948, 30, 10
 a300 A300_stmpd_D183_1934, 1998-09-16,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936E_C,  CR16379,  NONE, 1.2459, 1.2948, 30, 10
 a300 A300_stmpd_D183_1934, 2002-09-09,  CWW ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.0546, 1.1059, 30, 14340
 a300 A300_stmpd_D183_1934, 2002-09-10,  CWW ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.0546, 1.1059, 30, 10
 a300 A300_stmpd_D183_1934, 2002-09-19,  TJW ,  USGS MENLO PARK ,  TRIMBLE,  4005A27619 ,  4000SSI NP,  TRM22020.00+GP,  0080122259,  NONE, 1.3516, 0, 30, 151230
 a300 A300_stmpd_D183_1934, 2002-09-20,  TJW ,  USGS MENLO PARK ,  TRIMBLE,  4005A27619 ,  4000SSI NP,  TRM22020.00+GP,  0080122259,  NONE, 1.3516, 0, 30, 30
 a300 A300_stmpd_D183_1934, 2004-05-21,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE00,  ASH701945B_M,  CR519993702,  NONE, 0.618, 0.6799, 30, 154730
 a300 A300_stmpd_D183_1934, 2004-05-23,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE00,  ASH701945E_M,  CR520031626,  NONE, 0.5458, 0.6109, 30, 155730