benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 gain Gain_1948_USC&GS, 1993-06-10,  ,  ,  ROGUE,  T127 ,  SNR-8000 93.05,  AOAD/M_T,  *127,  NONE, 1.0791, 0, 30, 52500
 gain Gain_1948_USC&GS, 1993-06-11,  ,  ,  ROGUE,  T127 ,  SNR-8000 93.05,  AOAD/M_T,  *127,  NONE, 1.0791, 0, 30, 0
 gain Gain_1948_USC&GS, 1995-05-29,  SUTTON ,  USGS ,  ROGUE,  DS01 ,  SNR-8000 95.03,  AOAD/M_T,  DS01,  NONE, 1.2259, 0, 30, 0
 gain Gain_1948_USC&GS, 1995-05-30,  SUTTON ,  USGS ,  ROGUE,  DS01 ,  SNR-8000 95.03,  AOAD/M_T,  DS01,  NONE, 1.2259, 0, 30, 0
 gain Gain_1948_USC&GS, 1997-06-13,  JMS ,  USGS ,  ASHTECH,  345 ,  Z-XII3 1G00,  ASH700936D_M,  *377,  NONE, 1.1599, 1.2097, 30, 10
 gain Gain_1948_USC&GS, 1997-06-14,  JMS ,  USGS ,  ASHTECH,  345 ,  Z-XII3 1G00,  ASH700936D_M,  *377,  NONE, 1.1599, 1.2097, 30, 10
 gain Gain_1948_USC&GS, 1997-06-15,  JMS ,  USGS ,  ASHTECH,  345 ,  Z-XII3 1G00,  ASH700936D_M,  *377,  NONE, 1.1599, 1.2097, 30, 10
 gain Gain_1948_USC&GS, 1997-06-16,  JMS ,  USGS ,  ASHTECH,  345 ,  Z-XII3 1G00,  ASH700936D_M,  *377,  NONE, 1.1599, 1.2097, 30, 10
 gain Gain_1948_USC&GS, 2000-06-17,  GDH ,   ,  ASHTECH,  LP00141 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1933, 1.2428, 15, 45
 gain Gain_1948_USC&GS, 2000-06-18,  GDH ,   ,  ASHTECH,  LP00141 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1933, 1.2428, 15, 45
 gain Gain_1948_USC&GS, 2004-06-22,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.1965, 1.2459, 30, 0
 gain Gain_1948_USC&GS, 2004-06-23,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.1965, 1.2459, 30, 0
 gain Gain_1948_USC&GS, 2004-06-24,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.1965, 1.2459, 30, 0