benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 caro, 2001-09-16,  GB ,  USGS ,  TRIMBLE,  3608A14594 ,  4000SSI NP,  TRM29659.00,  0220073540,  NONE, 0.9976, 0, 0, 12030
 caro, 2001-09-24,  WCH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.0524, 1.1037, 30, 16330
 caro Carole_1995_NGS, 2006-09-12,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.6107, 0.6729, 30, 154230
 caro Carole_1995_NGS, 2006-09-13,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.6107, 0.6729, 30, 0
 caro Carole_1995_NGS, 2012-09-14,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6958, 0.7549, 15, 163115
 caro Carole_1995_NGS, 2012-09-15,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6958, 0.7549, 15, 0
 caro Carole_1995_NGS, 2012-09-16,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6958, 0.7549, 15, 0
 caro Carole_1995_NGS, 2012-09-17,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.6958, 0.7549, 15, 0