benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 poul Poulsbo_Ecc_1984_NCE, 1994-08-11,  SKW ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.4011, 1.4485, 30, 14570
 poul Poulsbo_Ecc_1984_NCE, 1994-08-15,  MHM ,  USGS ,  ASHTECH,  283 ,  Z-XII3 1C01,  ASH700228A,  134,  NONE, 1.5056, 1.5521, 30, 144430
 poul Poulsbo_Ecc_1984_NCE, 2001-08-15,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.608, 1.6538, 30, 16540
 poul Poulsbo_Ecc_1984_NCE, 2001-08-16,  CHS ,   ,  ASHTECH,  lp019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.473, 1.5198, 30, 15270