benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 buck Buck_Hill_1980_NCER, 1992-04-11,  KWC ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 5F,  ASH700228A,  0616,  NONE, 1.3549, 1.4027, 30, 2490
 buck Buck_Hill_1980_NCER, 1993-05-12,  GDH ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.4121, 1.4594, 30, 3030
 buck Buck_Hill_1980_NCER, 1993-11-16,  GDH ,  USGS ,  ASHTECH,  764 ,  LM-XII3 7A,  ASH700228A,  0598,  NONE, 1.38, 1.4276, 30, 15510
 buck Buck_Hill_1980_NCER, 1996-05-11,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1F00,  ASH700228D,  1068,  NONE, 1.4765, 1.5233, 30, 154530
 buck Buck_Hill_1980_NCER, 1996-05-12,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1F00,  ASH700228D,  1068,  NONE, 1.4765, 1.5233, 30, 30
 buck Buck_Hill_1980_NCER, 2001-05-22,  GDH ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945.02B,  CR619992805,  NONE, 0.6811, 0.7406, 30, 17250
 buck Buck_Hill_1980_NCER, 2001-05-23,  GDH ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945.02B,  CR619992805,  NONE, 0.6811, 0.7406, 30, 10
 buck Buck_Hill_1980_NCER, 2005-05-03,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.4086, 1.4559, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-24,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3571, 1.4049, 30, 162530
 buck Buck_Hill_1980_NCER, 2006-05-25,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3571, 1.4049, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-26,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3571, 1.4049, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-27,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3571, 1.4049, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-28,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3561, 1.4039, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-29,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3561, 1.4039, 30, 0
 buck Buck_Hill_1980_NCER, 2006-05-30,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3561, 1.4039, 30, 0
 buck Buck_Hill_1980_NCER, 2009-03-30,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.6937, 0.7529, 30, 16560
 buck Buck_Hill_1980_NCER, 2009-03-31,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.6937, 0.7529, 30, 0
 buck Buck_Hill_1980_NCER, 2009-04-01,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.6937, 0.7529, 30, 0
 buck Buck_Hill_1980_NCER, 2017-05-08,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.5.1,  ASH700936D_M,  CR14244,  NONE, 0.7412, 0.7989, 15, 16450
 buck Buck_Hill_1980_NCER, 2017-05-09,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.5.1,  ASH700936D_M,  CR14244,  NONE, 0.7412, 0.7989, 15, 0
 buck Buck_Hill_1980_NCER, 2017-05-10,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.5.1,  ASH700936D_M,  CR14244,  NONE, 0.7412, 0.7989, 15, 0
 buck Buck_Hill_1980_NCER, 2017-05-11,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.5.1,  ASH700936D_M,  CR14244,  NONE, 0.7412, 0.7989, 15, 0