benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 pk59 Park_1959_DWR, 1992-04-11,  JMS ,  USGS ,  ASHTECH,  762 ,  LM-XII3 6A,  ASH700228A,  0745,  NONE, 1.1416, 1.1917, 30, 450
 pk59 Park_1959_DWR, 1992-10-22,  GDH ,  USGS ,  ASHTECH,  765 ,  LM-XII3 6M24,  ASH700228D,  1058,  NONE, 1.0953, 1.146, 30, 174530
 pk59 Park_1959_DWR, 1993-05-08,  WKG ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6M24,  ASH700228A,  0718,  NONE, 1.2271, 1.2762, 30, 3030
 pk59 Park_1959_DWR, 1993-10-12,  GDH ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 1.2845, 1.333, 30, 181230
 pk59 Park_1959_DWR, 1993-11-16,  WKG ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.1195, 1.1699, 30, 1320
 pk59 Park_1959_DWR, 1993-11-17,  WKG ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.1195, 1.1699, 30, 224230
 pk59 Park_1959_DWR, 1994-05-09,  JMS ,  USGS ,  ASHTECH,  764 ,  LM-XII3 7A,  ASH700228A,  0598,  NONE, 1.0883, 1.1391, 30, 204630
 pk59 Park_1959_DWR, 1995-10-17,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1F00,  ASH700228D,  1068,  NONE, 1.2222, 1.2713, 30, 151130
 pk59 Park_1959_DWR, 1996-05-11,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1416, 1.1917, 30, 16550
 pk59 Park_1959_DWR, 1996-05-12,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1416, 1.1917, 30, 30
 pk59 Park_1959_DWR, 1997-03-17,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700228D,  1068,  NONE, 1.1718, 1.2215, 30, 17330
 pk59 Park_1959_DWR, 1997-03-18,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700228D,  1068,  NONE, 1.1718, 1.2215, 30, 30
 pk59 Park_1959_DWR, 1998-10-25,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1569, 1.2068, 30, 1760
 pk59 Park_1959_DWR, 1998-10-26,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1569, 1.2068, 30, 10
 pk59 Park_1959_DWR, 2000-04-13,  JMS ,   ,  ASHTECH,  O4597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.1913, 1.2408, 30, 164630
 pk59 Park_1959_DWR, 2000-04-14,  JMS ,   ,  ASHTECH,  O4597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.1913, 1.2408, 30, 30
 pk59 Park_1959_DWR, 2001-05-22,  JMS ,   ,  ASHTECH,  *LP00108 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993705,  NONE, 1.2398, 1.2887, 30, 175530
 pk59 Park_1959_DWR, 2001-05-23,  JMS ,   ,  ASHTECH,  *LP00108 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993705,  NONE, 1.2398, 1.2887, 30, 10
 pk59 Park_1959_DWR, 2003-04-02,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.0719, 1.1229, 30, 10
 pk59 Park_1959_DWR, 2003-04-03,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.0719, 1.1229, 30, 10
 pk59 Park_1959_DWR, 2005-04-27,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 17460
 pk59 Park_1959_DWR, 2005-04-28,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 0
 pk59 Park_1959_DWR, 2005-04-29,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 0
 pk59 Park_1959_DWR, 2005-04-30,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 0
 pk59 Park_1959_DWR, 2005-05-01,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 0
 pk59 Park_1959_DWR, 2005-05-02,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1934, 1.2428, 30, 0
 pk59 Park_1959_DWR, 2006-05-25,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1874, 1.2369, 30, 17150
 pk59 Park_1959_DWR, 2006-05-26,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1874, 1.2369, 30, 30
 pk59 Park_1959_DWR, 2006-05-27,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1874, 1.2369, 30, 30
 pk59 Park_1959_DWR, 2006-05-28,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1864, 1.236, 30, 30
 pk59 Park_1959_DWR, 2006-05-29,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1864, 1.236, 30, 30
 pk59 Park_1959_DWR, 2006-05-30,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.1864, 1.236, 30, 30
 pk59 Park_1959_DWR, 2009-05-05,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.2005, 1.2499, 30, 0
 pk59 Park_1959_DWR, 2009-05-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.2005, 1.2499, 30, 0
 pk59 Park_1959_DWR, 2009-05-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.2005, 1.2499, 30, 0