benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 P208, 1995-09-19,  unknown ,  unknown ,  TRIMBLE 4000SE,  3449,  6.12,  TRM14532.00,  684960,  NONE, 1.1824, 0, 30, 163030
 P208, 1995-09-20,  unknown ,  unknown ,  TRIMBLE 4000SE,  3451,  6.12,  TRM14532.00,  68498,  NONE, 1.5442, 0, 30, 162030
 p208 P208_1935_USC&GS, 1992-10-05,   ,   ,  TURBOROGUE,  118 ,   ,  AOAD/M_T,  111,  NONE, 1.0901, 0, 30, 18560
 p208, 1996-07-14,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.2916, 1.34, 30, 154530
 p208, 1996-07-15,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.3207, 1.3688, 30, 153930
 p208, 1996-09-17,  NK ,  USGS ,  ASHTECH,  274 ,  Z-XII3 1E86,  ASH700228D,  1058,  NONE, 1.2865, 1.3349, 30, 1640
 p208, 1998-09-15,  CWW ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 CB00,  ASH700936E_C,  CR16381,  NONE, 1.2884, 1.3368, 30, 1580
 p208 P208_1935_USC&GS, 2000-08-26,  JMS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.3277, 1.3757, 30, 155330
 p208 P208_1935_USC&GS, 2000-08-27,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.2873, 1.3357, 30, 15120
 p208 P208_1935_USC&GS, 2002-09-10,  CWW ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4197, 1.4669, 30, 14410
 p208 P208_1935_USC&GS, 2002-09-20,  TJW ,  USGS MENLO PARK ,  TRIMBLE,  4005A27620 ,  4000SSI NP,  TRM22020.00+GP,  0220050367,  NONE, 1.2371, 0, 30, 15520
 p208 P208_1935_USC&GS, 2004-05-21,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE00,  ASH701945E_M,  CR520031626,  NONE, 1.5346, 1.5809, 30, 155130
 p208 P208_1935_USC&GS, 2004-05-22,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE00,  ASH701945E_M,  CR520031626,  NONE, 1.3521, 1.3999, 30, 151630