benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 bnta, 2000-09-16,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.1619, 1.2117, 30, 15430
 bnta, 2000-09-17,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.1619, 1.2117, 30, 30
 bnta, 2000-09-18,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.1619, 1.2117, 30, 30
 bnta, 2002-05-08,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 0.4222, 0.4948, 30, 16420
 bnta, 2002-05-09,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 0.4222, 0.4948, 30, 10
 bnta Bonita_1954_USC&GS, 2004-09-19,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945E_M,  CR620022601,  NONE, 0.5099, 0.5768, 30, 154730
 bnta Bonita_1954_USC&GS, 2004-09-20,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945E_M,  CR620022601,  NONE, 0.5099, 0.5768, 30, 0
 bnta Bonita_1954_USC&GS, 2009-09-21,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.5857, 0.6489, 30, 182845
 bnta Bonita_1954_USC&GS, 2009-09-22,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.5857, 0.6489, 30, 0