benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 worm Worm_1977_CADT, 2010-04-08,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2582, 1.3069, 15, 161015
 worm Worm_1977_CADT, 2010-04-13,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR519993702,  NONE, 1.3834, 1.4309, 15, 15615