benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 quil, 1994-08-16,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03597,  NP,  TRM14532.00,  68853,  NONE, 1.3559, 0, 30, 122145
 quil, 1994-08-17,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03597,  NP,  TRM14532.00,  68853,  NONE, 1.3549, 0, 30, 121515
 quil QuilAir_1994_USGS_CV, 2002-08-18,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4983, 1.5449, 30, 10
 quil QuilAir_1994_USGS_CV, 2002-08-19,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4983, 1.5449, 30, 10
 quil QuilAir_1994_USGS_CV, 2002-08-20,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4983, 1.5449, 30, 10
 quil QuilAir_1994_USGS_CV, 2002-08-21,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4983, 1.5449, 30, 10
 quil QuilAir_1994_USGS_CV, 2004-08-19,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE00,  ASH701945E_M,  CR620022602,  NONE, 1.5064, 1.5529, 30, 155530
 quil QuilAir_1994_USGS_CV, 2004-08-23,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.3874, 1.4349, 30, 153330