benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 e240 E240_stmpd_A42_1954_, 1992-10-15,   ,   ,  TURBOROGUE,  122 ,   ,  AOAD/M_T,  133,  NONE, 1.0566, 0, 30, 1770
 e240 E240_stmpd_A42_1954_, 1992-10-16,   ,   ,  TURBOROGUE,  133 ,   ,  AOAD/M_T,  133,  NONE, 1.2521, 0, 30, 1640
 e240 E240_stmpd_A42_1954_, 1992-10-17,   ,   ,  TURBOROGUE,  133 ,   ,  AOAD/M_T,  133,  NONE, 1.2521, 0, 30, 0
 e240, 1996-09-25,  T.S ,  USGS ,  ASHTECH,  347 ,  Z-XII3 1G00,  unknown,  *163,  NONE, 1.4732, 0, 30, 15220
 e240, 1996-09-26,  T.S ,  USGS ,  ASHTECH,  347 ,  Z-XII3 1G00,  unknown,  *163,  NONE, 1.3489, 0, 30, 15390
 e240, 1998-09-23,  JTB ,  USGS ,  ASHTECH,  188 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.2641, 1.3128, 30, 153430
 e240, 1998-09-24,  JTB ,  USGS ,  ASHTECH,  188 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.255, 1.3038, 30, 15450
 e240 E240_stmpd_A42_1954_, 2002-09-13,  SO.AM ,  USGS MENLO PARK ,  TRIMBLE,  3427A06745 ,  4000SSE NP,  TRM22020.00+GP,  0220052070,  NONE, 1.3064, 0, 30, 15520
 e240 E240_stmpd_A42_1954_, 2002-09-16,  TJW ,  USGS MENLO PARK ,  TRIMBLE,  3616A15412 ,  4000SSI NP,  TRM22020.00+GP,  0080122259,  NONE, 1.2572, 0, 30, 15560