benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 unam Unamlake_1989_USDI/G, 1993-06-19,  ,  ,  ROGUE,  T127 ,  SNR-8000 7A,  AOAD/M_T,  *127,  NONE, 1.1976, 0, 30, 0
 unam Unamlake_1989_USDI/G, 1993-06-23,  ,  ,  ROGUE,  T207 ,  SNR-8000 7A,  AOAD/M_T,  *228,  NONE, 1.1125, 0, 30, 0
 unam Unamlake_1989_USDI/G, 1995-06-03,  SUTTON ,  USGS ,  ROGUE,  DS12 ,  SNR-8000 95.03,  AOAD/M_T,  DS12,  NONE, 1.1955, 0, 30, 0
 unam Unamlake_1989_USDI/G, 1997-06-21,  GDH ,  USGS ,  ASHTECH,  342 ,  Z-XII3 1G00,  ASH700936D_M,  CR14341,  NONE, 1.2075, 1.2568, 30, 10
 unam Unamlake_1989_USDI/G, 1997-06-22,  GDH ,  USGS ,  ASHTECH,  342 ,  Z-XII3 1G00,  ASH700936D_M,  CR14341,  NONE, 1.2075, 1.2568, 30, 10
 unam Unamlake_1989_USDI/G, 1997-06-23,  GDH ,  USGS ,  ASHTECH,  342 ,  Z-XII3 1G00,  ASH700936D_M,  CR14341,  NONE, 1.2075, 1.2568, 30, 10
 unam Unamlake_1989_USDI/G, 2000-06-23,  JMS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1599, 1.2097, 15, 45
 unam Unamlake_1989_USDI/G, 2000-06-24,  JMS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1599, 1.2097, 15, 45
 unam Unamlake_1989_USDI/G, 2000-06-25,  JMS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1599, 1.2097, 15, 45