benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 pars, 1999-09-16,  CWW ,   ,  ASHTECH Z-XII3,  174,  CD00,  ASH700936E_C,  CR16376,  NONE, 1.3853, 1.4328, 30, 155230
 pars, 1999-09-28,  GWB ,  USGS ,  ASHTECH Z-XII3,  278,  CD00,  ASH700936E_C,  CR16379,  NONE, 0.3649, 0.4424, 30, 1170
 pars Pars_USGS_unstmpd, 2003-06-20,  WCH ,  USGS ,  ASHTECH Z-XII3,  LP020000801,  CD00,  ASH701945B_M,  CR619992801,  NONE, 0.3576, 0.4358, 30, 151230
 pars Pars_USGS_unstmpd, 2003-06-21,  WCH ,  USGS ,  ASHTECH Z-XII3,  LP020000801,  CD00,  ASH701945B_M,  CR619992801,  NONE, 0.3576, 0.4358, 30, 0
 pars Pars_USGS_unstmpd, 2003-06-28,  MCN ,  USGS ,  ASHTECH Z-XII3,  LP00108.707,  CD00,  ASH701945E_M,  CR620022601,  NONE, 1.2915, 1.3399, 30, 15380
 pars Pars_USGS_unstmpd, 2008-09-14,  GDH ,  USGS ,  ASHTECH Z-X,  ZE1200526043,  ZE21,  ASH701945E_M,  CR520031622,  NONE, 0.6616, 0.7218, 30, 17220
 pars Pars_USGS_unstmpd, 2008-09-15,  GDH ,  USGS ,  ASHTECH Z-X,  ZE1200526043,  ZE21,  ASH701945E_M,  CR520031622,  NONE, 0.6616, 0.7218, 30, 0
 pars Pars_USGS_unstmpd, 2008-09-16,  GDH ,  USGS ,  ASHTECH Z-X,  ZE1200526043,  ZE21,  ASH701945E_M,  CR520031622,  NONE, 0.6616, 0.7218, 30, 0
 pars Pars_USGS_unstmpd, 2013-09-15,  SAH ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE210A13,  ASH701945E_M,  CR520031622,  NONE, 0.671, 0.7309, 15, 11815
 pars Pars_USGS_unstmpd, 2013-09-16,  SAH ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE210A13,  ASH701945E_M,  CR520031622,  NONE, 0.671, 0.7309, 15, 0
 pars Pars_USGS_unstmpd, 2013-09-17,  SAH ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE210A13,  ASH701945E_M,  CR520031622,  NONE, 0.671, 0.7309, 15, 0
 pars Pars_USGS_unstmpd, 2013-09-18,  SAH ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE210A13,  ASH701945E_M,  CR520031622,  NONE, 0.671, 0.7309, 15, 0