benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 pric, 2003-09-17,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 0.4844, 0.5528, 30, 18520
 pric, 2003-09-18,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 0.4844, 0.5528, 30, 10
 pric PRIC_USGS, 2007-09-13,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH700936D_M,  CR14329,  NONE, 1.3036, 1.3519, 30, 162030
 pric PRIC_USGS, 2007-09-14,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH700936D_M,  CR14329,  NONE, 1.3036, 1.3519, 30, 30
 pric PRIC_USGS, 2015-09-12,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.7144, 0.7729, 15, 144615
 pric PRIC_USGS, 2015-09-13,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.7144, 0.7729, 15, 0
 pric PRIC_USGS, 2015-09-25,  WRT ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 1.2157, 1.2649, 15, 0