benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mn71 Mine_1971_NCER, 1993-04-30,  JMS ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.3629, 1.4106, 30, 0
 mn71 Mine_1971_NCER, 1993-05-01,  CHS ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.3589, 1.4066, 30, 190
 mn71 Mine_1971_NCER, 1998-06-06,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F50,  ASH700936D_M,  CR14329,  NONE, 1.3863, 1.4338, 30, 30
 mn71 Mine_1971_NCER, 1998-06-07,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F50,  ASH700936D_M,  CR14329,  NONE, 1.3863, 1.4338, 30, 30
 mn71 Mine_1971_NCER, 2003-06-10,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.3723, 1.4199, 30, 10
 mn71 Mine_1971_NCER, 2003-06-11,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.3723, 1.4199, 30, 10