benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lowe Lower_1973_NCER, 1994-07-09,  JMS ,  USGS ,  ASHTECH,  765 ,  LM-XII3 7A,  ASH700228D,  1058,  NONE, 1.2775, 1.326, 30, 18290
 lowe Lower_1973_NCER, 2000-08-20,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 0.6593, 0.7196, 30, 30
 lowe Lower_1973_NCER, 2000-08-21,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 0.6593, 0.7196, 30, 30
 lowe Lower_1973_NCER, 2004-05-12,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.2491, 1.2979, 30, 30
 lowe Lower_1973_NCER, 2004-05-13,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.2491, 1.2979, 30, 30
 lowe Lower_1973_NCER, 2004-05-14,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.2491, 1.2979, 30, 30