benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 01e6 01-E6_1998_CADT, 2008-07-02,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.458, 1.5049, 30, 161030
 01e6 01-E6_1998_CADT, 2008-07-14,  CHS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH701945E_M,  CR620022602,  NONE, 1.5013, 1.5479, 30, 151830
 01e6 01-E6_1998_Reset_CAD, 2010-12-15,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 1.5144, 1.5609, 15, 17345
 01e6 01-E6_1998_Reset_CAD, 2011-01-04,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4409, 1.4879, 15, 17920
 01e6 01-E6_1998_Reset_CAD, 2012-07-11,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.6383, 1.6839, 15, 163730
 01e6 01-E6_1998_Reset_CAD, 2012-07-12,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.7017, 1.7469, 15, 164130
 01e6 01-E6_1998_Reset_CAD, 2016-07-17,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14330,  NONE, 1.3228, 1.3709, 15, 13370
 01e6 01-E6_1998_Reset_CAD, 2016-08-14,  JLS ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR519993703,  NONE, 1.2784, 1.3269, 15, 135615
 01e6 01-E6_1998_Reset_CAD, 2022-11-18,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14244,  NONE, 0.9112, 0.9649, 15, 1750
 01e6 01-E6_1998_Reset_CAD, 2022-11-19,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14244,  NONE, 0.9112, 0.9649, 15, 0