benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 sbpc Stamped_HP_0_SLO_Co, 2007-10-18,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 1.3531, 1.4009, 30, 153930
 sbpc Stamped_HP_0_SLO_Co, 2007-10-19,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 1.3501, 1.3979, 30, 153830
 sbpc Stamped_HP_0_SLO_Co, 2008-10-25,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.4197, 1.4669, 30, 16230
 sbpc Stamped_HP_0_SLO_Co, 2008-10-26,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 0.7854, 0.8419, 30, 16130
 sbpc Stamped_HP_0_SLO_Co, 2010-05-01,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.3783, 1.4259, 15, 151845
 sbpc Stamped_HP_0_SLO_Co, 2010-05-02,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.3803, 1.4279, 15, 15745
 sbpc Stamped_HP_0_SLO_Co, 2015-03-12,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.903, 0.9569, 15, 162945
 sbpc Stamped_HP_0_SLO_Co, 2015-03-13,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.903, 0.9569, 15, 0
 SBPC, 2021-02-19,  JLS ,  USGS ,  TRIMBLE,  4927175164 ,  NETRS 1.3-2,  TRM57971.00,  1440925376,  NONE, 0.7477, 0.81, 15, 173515