benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 PIBU, 1998-08-20,  WILLIAM C KAUFMANN ,  DESCHUTES COUNTY SUR,  TRIMBLE 4000SSE,  3437A07786,  Nav,  TRM22020.00+GP,  0220000818,  NONE, 2, 0, 15, 1900
 pibu, 1998-09-01,  ROY K EASTER ,  DESCHUTES COUNTY SUR,  TRIMBLE 4000SSE,  3433A07359,  Nav,  TRM22020.00+GP,  0220000819,  NONE, 1.4125, 0, 15, 141515
 pibu, 1998-09-02,  ROY K EASTER ,  DESCHUTES COUNTY SUR,  TRIMBLE 4000SSE,  3433A07359,  Nav,  TRM22020.00+GP,  0220000819,  NONE, 1.425, 0, 15, 1850
 pibu, 1998-09-03,  ROY K EASTER ,  DESCHUTES-COUNTY ,  TRIMBLE 4000SSE,  3433A07350,  Nav,  TRM22020.00+GP,  022000819,  NONE, 1.45, 0, 15, 18315
 pibu Pilot_Butte_1932_USC&, 2002-08-28,  MP ,  USGS ,  TRIMBLE 4000SSI,  14804,  Nav,  TRM29659.00,  00066915,  NONE, 1.4952, 0, 30, 152230
 pibu Pilot_Butte_1932_USC&, 2016-08-02,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00461,  SIGMA3.6.6,  TRM41249.00,  60121200,  NONE, 0.7733, 0.8351, 15, 171015
 pibu Pilot_Butte_1932_USC&, 2016-08-04,  B. Meyers ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00483,  SIGMA3.6.6,  TRM41249.00,  12097484,  NONE, 1.0789, 1.136, 15, 142130
 pibu Pilot_Butte_1932_USC, 1992-09-02,  MHM ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.2493, 1.2981, 30, 19030
 pibu Pilot_Butte_1932_USC, 1999-02-18,  JMS ,  USGS ,  ASHTECH,  LP03362 ,  Z-XII3 CB00,  ASH700936D_M,  CR14330,  NONE, 1.3621, 1.4098, 30, 17160
 pibu Pilot_Butte_1932_USC, 1999-02-19,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.4387, 1.4857, 30, 164330
 pibu Pilot_Butte_1932_USC, 2002-08-20,  MPP ,  -Unknown- ,  ASHTECH,  621 ,  Z-XII3 CC00,  ASH701945B_M,  303,  NONE, 1.05, 1.1014, 0, 155635
 pibu Pilot_Butte_1932_USC, 2003-07-24,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH701945E_M,  CR620022605,  NONE, 1.1499, 1.1999, 30, 12430
 pibu Pilot_Butte_1932_USC, 2003-07-28,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE00,  ASH700936D_M,  CR14341,  NONE, 1.1894, 1.2389, 30, 14530
 pibu Pilot_Butte_1932_USC, 2009-08-28,  B. Ferreira ,  USGS/Cascades Volcan,  TRIMBLE,  220211200 ,  4700 NP,  TRM41249.00,  60250754,  NONE, 0.6157, 0.6815, 15, 2630