benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 smx1 Sta1107_1992_PLS_547, 2007-10-17,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 18130
 smx1 Sta1107_1992_PLS_547, 2007-10-18,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2007-10-19,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2007-10-20,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2007-10-21,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2007-10-22,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2007-10-23,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5618, 1.6079, 30, 0
 smx1 Sta1107_1992_PLS_547, 2008-10-10,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L00,  ASH701945B_M,  CR519993706,  NONE, 1.0566, 1.1078, 30, 30
 smx1 Sta1107_1992_PLS_547, 2008-10-11,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L00,  ASH701945B_M,  CR519993706,  NONE, 1.0566, 1.1078, 30, 30
 smx1 Sta1107_1992_PLS_547, 2010-05-19,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.602, 1.6479, 15, 0
 smx1 Sta1107_1992_PLS_547, 2010-05-20,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.602, 1.6479, 15, 0
 smx1 Sta1107_1992_PLS_547, 2010-05-21,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.602, 1.6479, 15, 0
 smx1 Sta1107_1992_PLS_547, 2015-03-24,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.1246, 1.1749, 15, 17015
 smx1 Sta1107_1992_PLS_547, 2015-03-25,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.1246, 1.1749, 15, 0
 smx1 Sta1107_1992_PLS_547, 2015-03-26,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.1246, 1.1749, 15, 0