benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 peee PE_USGS_Unstamped_19, 1992-02-19,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6A,  ASH700228D,  1068,  NONE, 1.375, 1.4226, 30, 75230
 peee PE_USGS_Unstamped_19, 1993-01-19,  KMH ,  USGS ,  ASHTECH,  765 ,  LM-XII3 6M24,  ASH700228D,  1058,  NONE, 1.1325, 1.1827, 30, 1240
 peee PE_USGS_Unstamped_19, 1994-04-25,  KWC ,  USGS ,  ASHTECH,  762 ,  LM-XII3 7A,  ASH700228A,  0745,  NONE, 1.3318, 1.3798, 30, 13520
 peee PE_USGS_Unstamped_19, 1995-06-26,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.375, 1.4226, 30, 155930
 peee PE_USGS_Unstamped_19, 1996-06-05,  CHS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.3913, 1.4388, 30, 155830
 peee PE_USGS_Unstamped_19, 1997-12-08,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.3954, 1.4428, 30, 17280
 peee PE_USGS_Unstamped_19, 1997-12-16,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.2783, 1.3268, 30, 16500
 peee PE_USGS_Unstamped_19, 1999-01-11,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.354, 1.4018, 30, 17280
 peee PE_USGS_Unstamped_19, 1999-01-12,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.3913, 1.4388, 30, 16490
 peee PE_USGS_Unstamped_19, 2001-01-29,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2297, 1.2787, 30, 163830
 peee PE_USGS_Unstamped_19, 2001-01-30,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2469, 1.2958, 30, 163330
 peee PE_USGS_Unstamped_19, 2004-03-02,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14330,  NONE, 1.3238, 1.3719, 30, 16290
 peee PE_USGS_Unstamped_19, 2004-03-03,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14330,  NONE, 1.3279, 1.3759, 30, 15580