benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hand Handport_1989_NGS, 2001-10-23,  CHS ,  USGS ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.3055, 1.3538, 30, 10
 hand Handport_1989_NGS, 2001-10-24,  CHS ,  USGS ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.3055, 1.3538, 30, 10
 hand Handport_1989_NGS, 2001-10-25,  CHS ,  USGS ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.3055, 1.3538, 30, 10
 hand Handport_1987_NGS, 2003-04-16,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 17030
 hand Handport_1987_NGS, 2003-04-17,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 10
 hand Handport_1987_NGS, 2003-04-18,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 10
 hand Handport_1987_NGS, 2003-04-19,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 10
 hand Handport_1987_NGS, 2003-04-20,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 10
 hand Handport_1987_NGS, 2003-04-21,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 10
 hand Handport_1987_THE_DI, 2014-01-11,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR520031626,  NONE, 0.7463, 0.8039, 15, 0
 hand Handport_1987_THE_DI, 2014-01-12,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR520031626,  NONE, 0.7463, 0.8039, 15, 0
 hand Handport_1987_THE_DI, 2014-01-13,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR520031626,  NONE, 0.7463, 0.8039, 15, 0