benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lb11 LB11_unstamped_Bur.O, 2007-06-05,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.5255, 1.5719, 30, 15430
 lb11 LB11_unstamped_Bur.O, 2007-06-20,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 1.4943, 1.5409, 30, 154130
 lb11 LB11_unstamped_Bur.O, 2009-02-10,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.457, 1.5039, 30, 165530
 lb11 LB11_unstamped_Bur.O, 2009-02-11,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.4399, 1.487, 30, 164330
 lb11 LB11_unstamped_Bur.O, 2011-05-17,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.4953, 1.5419, 15, 151845
 lb11 LB11_unstamped_Bur.O, 2011-06-01,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.4842, 1.5309, 15, 15345
 lb11 LB11_unstamped_Bur.O, 2015-02-04,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.5074, 1.5539, 15, 171015
 lb11 LB11_unstamped_Bur.O, 2015-02-05,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.4479, 1.4949, 15, 171215