benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 h300, 1996-09-30,  JMS ,  USGS ,  ASHTECH Z-XII3,  O4597,  1F00,  ASH700228A,  0598,  NONE, 1.1034, 1.154, 30, 235959.943
 h300 H300_stmpd_T27S_R5E_, 1992-10-21,   ,   ,  TURBOROGUE,  LP00108 ,   ,  AOAD/M_T,  108,  NONE, 1.158, 0, 30, 17730
 h300 H300_stmpd_T27S_R5E_, 1992-10-22,   ,   ,  TURBOROGUE,  LP00108 ,   ,  AOAD/M_T,  108,  NONE, 1.158, 0, 30, 0
 h300, 1996-09-29,  JMS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1034, 1.154, 30, 162530
 h300, 1998-09-27,  JMS ,  USGS ,  ASHTECH,  192 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.1903, 1.2398, 30, 16100
 h300, 1998-09-28,  JMS ,  USGS ,  ASHTECH,  192 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.1903, 1.2398, 30, 30
 h300 H300_stmpd_T27S_R5E_, 2002-09-15,  TJW ,  USGS MENLO PARK ,  TRIMBLE,  4005A27619 ,  4000SSI NP,  TRM22020.00+GP,  0080053858,  NONE, 0.9758, 0, 30, 1270
 h300 H300_stmpd_T27S_R5E_, 2002-09-19,  WC ,  USGS MENLO PARK ,  TRIMBLE,  3337A03970 ,  4000SSE NP,  TRM22020.00+GP,  0220051878,  NONE, 1.0161, 0, 30, 3930
 h300 H300_stmpd_T27S_R5E_, 2002-09-20,  WC ,  USGS MENLO PARK ,  TRIMBLE,  3337A03970 ,  4000SSE NP,  TRM22020.00+GP,  0220051878,  NONE, 1.0161, 0, 30, 290