benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 roba Roba_2_1967_USC&GS, 2002-02-05,  JMS ,   ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.4347, 1.4818, 30, 1760
 roba Roba_2_1967_USC&GS, 2002-02-06,  JMS ,   ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.4448, 1.4918, 30, 1640
 roba Roba_2_1967_USC&GS, 2003-04-16,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3713, 1.4189, 30, 16130
 roba Roba_2_1967_USC&GS, 2003-04-22,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.2885, 1.3369, 30, 15420
 roba Roba_2_1967_USC&GS, 2006-06-07,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.2895, 1.3379, 30, 153930
 roba Roba_2_1967_USC&GS, 2008-05-20,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.2905, 1.3389, 30, 153130
 roba Roba_2_1967_USC&GS, 2008-05-21,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.2966, 1.3449, 30, 152630