benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 9638 9638_01-AE_1993_CADT, 2004-09-13,  Ken Haas ,   ,  TRIMBLE 5700,  0220298053,  2.01,  TRM41249.00,  12415670,  NONE, 2, 2.0514, 15, 205615
 9638 9638_01-AE_1993_CADT, 2004-09-14,  Ken Haas ,   ,  TRIMBLE 5700,  0220298053,  2.01,  TRM41249.00,  12415670,  NONE, 2, 2.0514, 15, 145415
 9638, 2007-04-09,  Johnathan Brown ,  San Francisco St. U.,  TPS GB-1000,  T224614,  3.0,  TRM29659.00,  0220373003,  NONE, 1.5798, 0, 15, 0
 9638 9638_01-AE_1993_CADT, 2013-03-14,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.3682, 1.4159, 15, 16145
 9638, 2013-03-15,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.4892, 1.5359, 15, 161830