benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 h100, 1996-09-30,  CHS ,  USGS ,  ASHTECH Z-XII3,  270,  1E86,  ASH700228A,  1027,  NONE, 1.375, 1.4226, 30, 235959.941
 h100 H100_stmpd_T17S_R8E_, 1992-10-21,   ,   ,  TURBOROGUE,  142 ,   ,  AOAD/M_T,  142,  NONE, 1.3725, 0, 30, 172030
 h100 H100_stmpd_T17S_R8E_, 1992-10-22,   ,   ,  TURBOROGUE,  142 ,   ,  AOAD/M_T,  142,  NONE, 1.3725, 0, 30, 0
 h100 H100_stmpd_T17S_R8E_, 1992-10-23,   ,   ,  TURBOROGUE,  142 ,   ,  AOAD/M_T,  142,  NONE, 1.3725, 0, 30, 0
 h100, 1996-09-29,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700228A,  1027,  NONE, 1.375, 1.4226, 30, 155030
 h100, 1998-09-27,  GDH ,  USGS ,  ASHTECH,  278 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.2055, 1.2548, 30, 1690
 h100, 1998-09-28,  GDH ,  USGS ,  ASHTECH,  278 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.2055, 1.2548, 30, 10
 h100 H100_stmpd_T17S_R8E_, 2002-09-14,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.4802, 1.5269, 30, 11530
 h100 H100_stmpd_T17S_R8E_, 2002-09-15,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.4802, 1.5269, 30, 10
 h100 H100_stmpd_T17S_R8E_, 2002-09-19,  BW ,  USGS MENLO PARK ,  TRIMBLE,  3318A03053 ,  4000SSE NP,  TRM22020.00+GP,  0220048846,  NONE, 1.4449, 0, 30, 18280
 h100 H100_stmpd_T17S_R8E_, 2002-09-20,  BW ,  USGS MENLO PARK ,  TRIMBLE,  3318A03053 ,  4000SSE NP,  TRM22020.00+GP,  0220048846,  NONE, 1.4449, 0, 30, 30
 h100 H100_stmpd_T17S_R8E_, 2002-09-21,  BW ,  USGS MENLO PARK ,  TRIMBLE,  3318A03053 ,  4000SSE NP,  TRM22020.00+GP,  0220048846,  NONE, 1.4449, 0, 30, 30