benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hayd, 2003-09-11,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 0.5426, 0.6078, 30, 10
 hayd, 2003-09-12,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 0.5426, 0.6078, 30, 10
 hayd HAYD_USGS, 2012-09-16,  SAH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.6844, 0.7439, 15, 16245
 hayd HAYD_USGS, 2012-09-28,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.243, 1.2919, 15, 151945