benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) 1ege 1EGE_1983_USGS, 2006-07-15, GDH , USGS , ASHTECH, ZE1200526028 , Z-X ZE21, ASH701945B_M, CR519993706, NONE, 1.4197, 1.4669, 30, 154930 1ege 1EGE_1983_USGS, 2006-07-16, CHS , USGS , ASHTECH, ZE1200331006 , Z-X ZE21, ASH700936D_M, CR14329, NONE, 0.6544, 0.7149, 30, 15480