benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 kwh6 KWH6_1983_USGS, 2006-07-14,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.2309, 1.28, 30, 15570
 kwh6 KWH6_1983_USGS, 2006-07-15,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.2662, 1.3149, 30, 154930