benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) grvw GRVW_00_USGS, 2006-11-16, JMS , USGS , ASHTECH Z-X, ZE120023204, ZE21, ASH700936D_M, CR14333, NONE, 0.6585, 0.7188, 30, 17230 grvw GRVW_00_USGS, 2006-11-17, JMS , USGS , ASHTECH Z-X, ZE120023204, ZE21, ASH700936D_M, CR14333, NONE, 0.6647, 0.7248, 30, 165930 grvw GRVW_00_USGS, 2008-07-15, JMS , USGS , ASHTECH Z-XII, LP00108.707, 1L00, ASH700936D_M, CR14341, NONE, 1.463, 1.5099, 30, 16250 grvw GRVW_00_USGS, 2008-07-16, JMS , USGS , ASHTECH Z-XII, LP00108.707, 1L00, ASH700936D_M, CR14341, NONE, 1.5336, 1.58, 30, 16030 grvw GRVW_00_USGS, 2008-07-30, JMS , USGS , ASHTECH Z-X, ZE120023202, ZE21, ASH701945E_M, CR620022605, NONE, 1.59, 1.636, 30, 16130 grvw GRVW_00_USGS, 2009-08-12, JMS , USGS , ASHTECH Z-X, ZE120023208, ZE210A13, ASH701945E_M, CR520031622, NONE, 0.8376, 0.8929, 30, 16360 grvw GRVW_00_USGS, 2009-08-20, CHS , USGS , ASHTECH Z-X, ZE1200331018, ZE210A13, ASH700936D_M, CR14329, NONE, 0.6813, 0.7408, 30, 16630 grvw GRVW_00_USGS, 2010-06-22, JMS , USGS , ASHTECH Z-X, ZE1200331017, ZE210A13, ASH701945E_M, CR620022601, NONE, 1.4822, 1.5289, 15, 155915 grvw GRVW_00_USGS, 2010-06-24, JMS , USGS , ASHTECH Z-X, ZE1200331017, ZE210A13, ASH700936D_M, CR14329, NONE, 0.9316, 0.9849, 15, 16415 grvw GRVW_00_USGS, 2018-06-21, JLS , USGS , JAVAD TRE_G3TH, 00588, SIGMA3.5.14, ASH701945B_M, CR619992805, NONE, 0.7164, 0.7749, 15, 163545 grvw GRVW_00_USGS, 2018-06-22, JLS , USGS , JAVAD TRE_G3TH, 00588, SIGMA3.5.14, ASH701945B_M, CR619992805, NONE, 0.7164, 0.7749, 15, 0