benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 c240 C240_stmpd_USCGS_AZI, 1992-10-09,   ,   ,  TURBOROGUE,  122 ,   ,  AOAD/M_T,  118,  NONE, 1.1357, 0, 30, 161730
 c240 C240_stmpd_USCGS_AZI, 1992-10-12,   ,   ,  TURBOROGUE,  122 ,   ,  AOAD/M_T,  118,  NONE, 1.2915, 0, 30, 16450
 c240, 1996-09-21,  T.S ,  USGS ,  ASHTECH,  347 ,  Z-XII3 1G00,  ASH700228D,  *163,  NONE, 1.3425, 1.3904, 30, 15230
 c240, 1996-09-22,  T.S ,  USGS ,  ASHTECH,  347 ,  Z-XII3 1G00,  ASH700228D,  *163,  NONE, 1.4277, 1.4748, 30, 15390
 c240, 1998-09-19,  JTB ,  USGS ,  ASHTECH,  188 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.3086, 1.3568, 30, 153130
 c240, 1998-09-20,  JTB ,  USGS ,  ASHTECH,  188 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.3065, 1.3548, 30, 153030
 c240, 2002-06-05,  CHS ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 0.4876, 0.5558, 30, 155330
 c240, 2002-06-06,  CHS ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 0.4876, 0.5558, 30, 10