benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 m327 M327_1982_NGS, 2003-09-19,  WCH ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.3733, 1.4209, 30, 161430
 m327 M327_1982_NGS, 2003-09-23,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.5507, 1.5969, 30, 132630
 m327 M327_1982_NGS, 2007-09-21,  JLS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII 1L00,  ASH701945E_M,  CR520031622,  NONE, 1.347, 1.3949, 30, 13380
 m327 M327_1982_NGS, 2007-09-25,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.4106, 1.4579, 30, 13545
 m327 M327_1982_NGS, 2011-09-14,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4914, 1.538, 15, 163245
 m327 M327_1982_NGS, 2011-09-29,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.4156, 1.4629, 15, 15345