benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 w784, 1999-09-09,  CWW ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.6845, 1.7298, 30, 152230
 w784, 1999-09-28,  CWW ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.7489, 1.7939, 30, 155230
 w784 W784_1988_NGS, 2003-06-28,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.5013, 1.5479, 30, 15530
 w784 W784_1988_NGS, 2003-06-29,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH701945B_M,  CR519993703,  NONE, 1.6041, 1.65, 30, 16330
 w784 W784_1988_NGS, 2008-09-08,  CWW ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII 1L00,  ASH700936D_M,  CR14329,  NONE, 1.6081, 1.6539, 30, 154230
 w784 W784_1988_NGS, 2008-09-11,  GDH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 1.3935, 1.441, 30, 155830
 w784 W784_1988_NGS, 2012-12-03,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 1.4278, 1.4749, 15, 164415
 w784 W784_1988_NGS, 2013-09-07,  JLS ,  USGS ,  JAVAD,  00622 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 1.5104, 1.5569, 15, 144515