benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 1529 020LAK_1529_CalTrans, 2005-10-28,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.4872, 1.5339, 30, 15500
 1529 020LAK_1529_CalTrans, 2005-10-31,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.4459, 1.4929, 30, 163430
 1529 020LAK_1529_CalTrans, 2006-08-28,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031615,  NONE, 1.46, 1.5069, 30, 155230
 1529 020LAK_1529_CalTrans, 2006-08-29,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.4852, 1.5319, 30, 15570
 1529 020LAK_1529_CalTrans, 2008-07-09,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH701945E_M,  CR620022602,  NONE, 1.5698, 1.6159, 30, 15730
 1529 020LAK_1529_CalTrans, 2008-07-13,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH701945E_M,  CR620022602,  NONE, 1.456, 1.5029, 30, 145730
 1529 020LAK_1529_CalTrans, 2010-07-08,  JLS ,  USGS ,  TRIMBLE,  4927175135 ,  NETRS NP,  ASH701945E_M,  CR520031622,  NONE, 1.2875, 1.336, 15, 142745
 1529 020LAK_1529_CalTrans, 2010-07-09,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.46, 1.5069, 15, 152315
 1529 020LAK_1529_CalTrans, 2022-07-15,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 1.4832, 1.5299, 15, 144630
 1529 020LAK_1529_CalTrans, 2022-07-18,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 1.6192, 1.6649, 15, 125215