benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 7mir, 1999-09-17,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 CC00,  ASH701945.02B,  CR619992805,  NONE, 1.3611, 1.4088, 30, 16150
 7mir, 1999-09-27,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 CC00,  ASH701945.02B,  CR619992805,  NONE, 1.4065, 1.4538, 30, 16230
 7mir 7MIR_USGS_plug, 2003-06-21,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH700936D_M,  CR14333,  NONE, 1.2905, 1.3389, 30, 17930
 7mir 7MIR_USGS_plug, 2003-06-22,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH700936D_M,  CR14333,  NONE, 1.2905, 1.3389, 30, 0
 7mir 7MIR_USGS_plug, 2008-10-22,  BP ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 0.572, 0.6393, 15, 18280
 7mir 7MIR_USGS_plug, 2008-10-23,  BP ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 0.572, 0.6393, 15, 0
 7mir 7MIR_USGS_plug, 2008-10-24,  BP ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 0.572, 0.6393, 15, 0
 7mir 7MIR_USGS_plug, 2014-09-17,  SAH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2369, 1.2859, 15, 155515
 7mir 7MIR_USGS_plug, 2014-10-26,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993706,  NONE, 0.81, 0.8659, 15, 145915