benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 g400, 1998-09-26,  CWW ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 CB00,  ASH700936E_C,  CR16381,  NONE, 1.1315, 1.1817, 30, 15590
 g400 G400_stmpd_Kanosh_19, 2002-09-15,  WC ,  USGS MENLO PARK ,  TRIMBLE,  3337A03970 ,  4000SSE NP,  TRM22020.00+GP,  0220051878,  NONE, 1.1849, 0, 30, 171530
 g400 G400_stmpd_Kanosh_19, 2002-09-18,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.1772, 1.2269, 30, 155930
 g400 G400_stmpd_Kanosh_19, 2017-07-13,  ELP ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00457,  NONE, 0.7997, 0.8559, 15, 15515
 g400 G400_stmpd_Kanosh_19, 2017-07-14,  ELP ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00457,  NONE, 0.7997, 0.8559, 15, 0
 g400 G400_stmpd_Kanosh_19, 2017-07-15,  ELP ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00457,  NONE, 0.7997, 0.8559, 15, 0
 g400 G400_stmpd_Kanosh_19, 2017-07-16,  ELP ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00457,  NONE, 0.7997, 0.8559, 15, 0