benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 br82 Brown_1982_CADT, 2008-10-23,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.7007, 1.7459, 30, 161830
 br82 Brown_1982_CADT, 2008-10-24,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.6393, 1.6849, 30, 16220
 br82 Brown_1982_CADT, 2010-04-29,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 1.5114, 1.5579, 15, 161545
 br82 Brown_1982_CADT, 2010-04-30,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.6081, 1.6539, 15, 153315
 br82 Brown_1982_CADT, 2011-03-08,  DND ,  USGS ,  ASHTECH,  LP02651 ,  Z-XII CD001,  TRM41249.00,  60179404,  NONE, 1.5527, 1.606, 15, 16570
 br82 Brown_1982_CADT, 2011-03-10,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.6393, 1.6849, 15, 16310
 br82 Brown_1982_CADT, 2015-04-01,  JMS ,  USGS ,  ASHTECH,  ZE1200411029 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.4771, 1.5239, 15, 155245
 br82 Brown_1982_CADT, 2015-04-02,  JMS ,  USGS ,  ASHTECH,  ZE1200411029 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.4308, 1.4779, 15, 155915