benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) greg Gregor_1989_USGS, 1992-03-18, JMS , USGS , ASHTECH LM-XII3, 765, 6b, ASH700228D, 1058, NONE, 1.1588, 1.2087, 30, 52730 greg Gregor_1989_USGS, 1993-02-02, KWC , USGS , ASHTECH LM-XII3, 763, 6M24, ASH700228A, 0718, NONE, 1.1829, 1.2325, 30, 10490 greg Gregor_1989_USGS, 1993-05-20, WKG , USGS , ASHTECH LM-XII3, 0831, 6M24, ASH700228A, 1027, NONE, 1.4322, 1.4793, 30, 32230 greg Gregor_1989_USGS, 1994-01-11, WKG , USGS , ASHTECH LM-XII3, 765, 7A, ASH700228D, 1058, NONE, 1.2393, 1.2882, 30, 17570 greg Gregor_1989_USGS, 1994-05-05, JMS , USGS , ASHTECH LM-XII3, 764, 7A, ASH700228A, 0598, NONE, 1.199, 1.2484, 30, 14130 greg Gregor_1989_USGS, 1995-10-03, GDH , USGS , ASHTECH Z-XII3, 707, 1F00, ASH700718B, 11404, NONE, 1.2622, 1.3109, 30, 162830 greg Gregor_1989_USGS, 1996-06-12, CHS , USGS , ASHTECH Z-XII3, *LP00141, 1F00, ASH700718B, 11416, NONE, 1.3681, 1.4158, 30, 1670 greg Gregor_1989_USGS, 1997-09-23, JMS , USGS , ASHTECH Z-XII3, O4579, 1E95, ASH700936D_M, CR14341, NONE, 1.4811, 1.5278, 30, 15440 greg Gregor_1989_USGS, 1997-10-02, CHS , USGS , ASHTECH Z-XII3, O4597, 1E95, ASH700936D_M, CR14329, NONE, 1.3631, 1.4108, 30, 15230 greg Gregor_1989_USGS, 1999-03-08, JMS , USGS , ASHTECH Z-XII3, 4600, CB00, ASH700936D_M, CR14329, NONE, 1.2196, 1.2688, 30, 164730 greg Gregor_1989_USGS, 1999-03-09, CHS , USGS , ASHTECH Z-XII3, LP03450, CB00, ASH700936D_M, CR14341, NONE, 1.3409, 1.3888, 30, 16320 greg Gregor_1989_USGS, 2001-04-02, JMS , , ASHTECH Z-XII3, O4597, CC00, ASH701945B_M, CR519993703, NONE, 1.3782, 1.4258, 30, 162730 greg Gregor_1989_USGS, 2001-04-03, CHS , , ASHTECH Z-XII3, lp019992803, CD00, ASH700936D_M, CR14341, NONE, 1.2803, 1.3288, 30, 15370 greg Gregor_1989_USGS, 2005-03-21, JMS , USGS , ASHTECH Z-X, ZE1200331017, ZE21, ASH701945E_M, CR620022602, NONE, 1.3501, 1.3979, 30, 165530 greg Gregor_1989_USGS, 2005-03-23, JMS , USGS , ASHTECH Z-X, ZE1200331017, ZE21, ASH701945E_M, CR620022602, NONE, 1.2875, 1.336, 30, 164830 greg Gregor_1989_USGS, 2012-02-07, JMS , USGS , ASHTECH Z-X, ZE1200331006, ZE210A13, ASH701945E_M, CR620022602, NONE, 1.3824, 1.43, 15, 163915 greg Gregor_1989_USGS, 2012-02-09, JMS , USGS , ASHTECH Z-X, ZE1200331006, ZE210A13, ASH701945E_M, CR520031622, NONE, 0.8223, 0.8779, 15, 17445 greg Gregor_1989_USGS, 2017-03-15, ELP , USGS , JAVAD TRE_G3TH, 01337, SIGMA3.5.14, JAVRINGANT_DM, 00457, NONE, 1.1853, 1.2349, 15, 16330 greg Gregor_1989_USGS, 2017-03-27, ELP , USGS , JAVAD TRE_G3TH, 00588, SIGMA3.5.14, JAVRINGANT_DM, 00457, NONE, 0.7102, 0.7688, 15, 163215