benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cowf COWF_2005_USGS, 2007-06-20,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.6326, 0.6939, 30, 0
 cowf COWF_2005_USGS, 2007-06-21,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.6326, 0.6939, 30, 0
 cowf COWF_2005_USGS, 2007-06-22,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.6326, 0.6939, 30, 0