benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 m113 M1133_1961_USC&GS, 2003-03-12,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3077, 1.3559, 30, 17230
 m113 M1133_1961_USC&GS, 2003-03-13,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3218, 1.3699, 30, 162430
 m113 M1133_1961_USC&GS, 2008-01-29,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.3046, 1.3529, 30, 17320
 m113 M1133_1961_USC&GS, 2008-01-30,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.3592, 1.4069, 30, 155930
 m113 M1133_1961_USC&GS, 2014-07-22,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.4419, 1.4889, 15, 165745
 m113 M1133_1961_USC&GS, 2014-07-23,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.4046, 1.4519, 15, 151230
 m113 M1133_1961_USC&GS, 2022-11-10,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 1.1347, 1.1849, 15, 142815
 m113 M1133_1961_USC&GS, 2022-12-08,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14329,  NONE, 1.0566, 1.1078, 15, 1500