benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 clif Cliff_1931_USC&GS, 1992-03-17,  JMS ,  USGS ,  ASHTECH,  765 ,  LM-XII3 6b,  ASH700228D,  1058,  NONE, 1.3599, 1.4076, 30, 51330
 clif Cliff_1931_USC&GS, 1993-02-02,  JMS ,  USGS ,  ASHTECH,  099 ,  LM-XII3 6M24,  ASH700228D,  1036,  NONE, 1.3679, 1.4156, 30, 104330
 clif Cliff_1931_USC&GS, 1993-05-20,  JMS ,  USGS ,  ASHTECH,  099 ,  LM-XII3 6M24,  ASH700228D,  1036,  NONE, 1.3579, 1.4057, 30, 31930
 clif Cliff_1931_USC&GS, 1994-01-11,  JMS ,  USGS ,  ASHTECH,  762 ,  LM-XII3 7A,  ASH700228A,  0745,  NONE, 1.5809, 1.6269, 30, 175730
 clif Cliff_1931_USC&GS, 1994-05-06,  JMS ,  USGS ,  ASHTECH,  764 ,  LM-XII3 7A,  ASH700228A,  0598,  NONE, 1.387, 1.4345, 30, 14630
 clif Cliff_1931_USC&GS, 1995-08-28,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E00,  ASH700228D,  1068,  NONE, 1.5126, 1.5591, 30, 16290
 clif Cliff_1931_USC&GS, 1996-06-12,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.4356, 1.4827, 30, 154530
 clif Cliff_1931_USC&GS, 1997-09-22,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.4982, 1.5448, 30, 155030
 clif Cliff_1931_USC&GS, 1997-09-23,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.5244, 1.5708, 30, 155830
 clif Cliff_1931_USC&GS, 1999-03-08,  CHS ,  USGS ,  ASHTECH,  LP03450 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.4206, 1.4678, 30, 163530
 clif Cliff_1931_USC&GS, 1999-03-29,  CHS ,  USGS ,  ASHTECH,  LP03450 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.3641, 1.4118, 30, 16340
 clif Cliff_1931_USC&GS, 2001-04-02,  CHS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3701, 1.4178, 30, 15400
 clif Cliff_1931_USC&GS, 2001-04-03,  JMS ,   ,  ASHTECH,  *LP00108 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993703,  NONE, 1.5133, 1.5598, 30, 155530
 clif Cliff_1931_USC&GS, 2005-03-17,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.4913, 1.5379, 30, 1760
 clif Cliff_1931_USC&GS, 2005-03-24,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.5366, 1.5829, 30, 164430
 clif Cliff_1931_USC&GS, 2013-02-12,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.6343, 1.68, 15, 165145
 clif Cliff_1931_USC&GS, 2013-02-13,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.4681, 1.5149, 15, 163715
 clif Cliff_1931_USC&GS, 2023-12-27,  ELP ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.6989, 0.7579, 15, 17210
 clif Cliff_1931_USC&GS, 2023-12-28,  ELP ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7226, 0.7808, 15, 15580