benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 t408, 2001-09-13,  CWW ,   ,  ASHTECH,  02270 ,  Z-XII3 CC00,  ASH701945B_M,  CR519992603,  NONE, 1.5083, 1.5548, 30, 15410
 t408, 2001-09-24,  JNA ,   ,  ASHTECH,  lp019992809 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.4619, 1.5088, 30, 15540
 t408 T408_1983_NOAA-NGS, 2005-09-11,  GDH ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.5044, 1.5509, 30, 154330
 t408 T408_1983_NOAA-NGS, 2006-09-23,  SAH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.4459, 1.4929, 30, 16210
 t408 T408_1983_NOAA-NGS, 2010-09-16,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.7133, 0.7718, 15, 144615
 t408 T408_1983_NOAA-NGS, 2010-09-17,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.7133, 0.7718, 15, 0