benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 q84x Q84_1934_USCGS, 2003-09-20,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.1762, 1.2259, 30, 151730
 q84x Q84_1934_USCGS, 2003-09-22,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.2076, 1.2569, 30, 14570
 q84x Q84_1934_USCGS, 2007-09-27,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.4103, 0.4838, 30, 135545
 q84x Q84_1934_USCGS, 2007-09-28,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.4103, 0.4838, 30, 0
 q84x Q84_1934_USCGS, 2011-09-13,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.5689, 0.6328, 15, 2645
 q84x Q84_1934_USCGS, 2016-09-12,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH701945B_M,  CR519993703,  NONE, 0.57, 0.6339, 15, 161615
 q84x Q84_1934_USCGS, 2016-09-13,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH701945B_M,  CR519993703,  NONE, 0.57, 0.6339, 15, 0