benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 miss Miss_EHZ, 2002-03-07,  GDH ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1752, 1.2249, 30, 174730
 miss Miss_EHZ, 2002-03-08,  GDH ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1752, 1.2249, 30, 10
 miss Miss_EHZ, 2006-04-19,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.239, 1.2879, 30, 174830
 miss Miss_EHZ, 2006-04-20,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.239, 1.2879, 30, 0
 miss Miss_EHZ, 2006-04-21,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.239, 1.2879, 30, 0
 miss Miss_EHZ, 2006-04-22,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.239, 1.2879, 30, 0
 miss Miss_EHZ, 2011-07-08,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6284, 0.6898, 15, 18715
 miss Miss_EHZ, 2011-07-09,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6284, 0.6898, 15, 0
 miss Miss_EHZ, 2011-07-10,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6284, 0.6898, 15, 0
 miss Miss_EHZ, 2011-07-11,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.6284, 0.6898, 15, 0