benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 wild, 2000-11-14,  CWW ,  USGS ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3994, 1.4468, 30, 16480
 wild, 2000-11-17,  CWW ,  USGS ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.3913, 1.4388, 30, 15260
 wild, 2004-09-19,  WCH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.3763, 1.4239, 30, 15100
 wild, 2004-09-20,  WCH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.3763, 1.4239, 30, 30
 wild WILD_1974_DefenseMap, 2009-09-10,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6782, 0.7379, 30, 4130
 wild WILD_1974_DefenseMap, 2009-09-11,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6782, 0.7379, 30, 0