benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 g100, 1996-09-28,  CHS ,  USGS ,  ASHTECH Z-XII3,  707,  1F00,  ASH700718B,  11404,  NONE, 1.2652, 1.3139, 30, 235959.998
 g100 G100_stmpd_3212S_USG, 1992-10-19,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.6741, 0, 30, 16830
 g100 G100_stmpd_3212S_USG, 1992-10-20,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.6741, 0, 30, 0
 g100 G100_stmpd_3212S_USG, 1992-10-21,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.6679, 0, 30, 0
 g100 G100_stmpd_3212S_USG, 1992-10-22,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.6937, 0, 30, 0
 g100 G100_stmpd_3212S_USG, 1992-10-23,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.6937, 0, 30, 0
 g100, 1996-09-27,  CHS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.2652, 1.3139, 30, 17160
 g100, 1996-09-29,  GDH ,  USGS ,  ASHTECH,  342 ,  Z-XII3 1G00,  unknown,  *165,  NONE, 1.1638, 0, 30, 15590