benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 bidd BIDDLE_1932_USC&GS, 2006-11-03,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022605,  NONE, 1.4056, 1.4529, 30, 30
 bidd BIDDLE_1932_USC&GS, 2006-11-04,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022605,  NONE, 1.4056, 1.4529, 30, 30
 bidd BIDDLE_1932_USC&GS, 2006-11-05,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022605,  NONE, 1.4056, 1.4529, 30, 30
 bidd BIDDLE_1932_USC&GS, 2008-10-23,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII 1L00,  ASH701945E_M,  CR620022601,  NONE, 1.4701, 1.5169, 30, 30
 bidd BIDDLE_1932_USC&GS, 2008-10-24,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII 1L00,  ASH701945E_M,  CR620022601,  NONE, 1.4701, 1.5169, 30, 30
 bidd BIDDLE_1932_USC&GS, 2008-10-25,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII 1L00,  ASH701945E_M,  CR620022601,  NONE, 1.4701, 1.5169, 30, 30
 bidd BIDDLE_1932_USC&GS, 2011-10-20,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.6111, 1.6569, 15, 0
 bidd BIDDLE_1932_USC&GS, 2011-10-21,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.6111, 1.6569, 15, 0