benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 b280, 1992-10-07,   ,   ,  TURBOROGUE,  115 ,   ,  AOAD/M_T,  115,  NONE, 0.9081, 0, 30, 191530
 b280, 1996-09-19,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700228A,  1027,  NONE, 1.2825, 1.331, 30, 16200
 b280, 1998-09-17,  GDH ,  USGS ,  ASHTECH,  175 ,  Z-XII3 CB00,  ASH700936E_C,  CR16376,  NONE, 1.1943, 1.2437, 30, 16360
 b280, 2000-08-19,  JLS ,   ,  ASHTECH,  278 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.1518, 1.2017, 30, 16420
 b280 B280_stmpd_H381_rese, 2002-09-11,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3289, 1.3769, 30, 16100
 b280 B280_stmpd_H381_rese, 2002-09-13,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0220051647,  NONE, 1.2994, 0, 30, 154430