benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 b112 BM_112_Alameda_Co., 1992-03-04,  KWC ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 5F,  ASH700228A,  0616,  NONE, 1.4624, 1.5093, 30, 6350
 b112 BM_112_Alameda_Co., 1993-01-26,  KWC ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6M24,  ASH700228A,  0718,  NONE, 1.4091, 1.4564, 30, 11200
 b112 BM_112_Alameda_Co., 1994-05-03,  KWC ,  USGS ,  ASHTECH,  762 ,  LM-XII3 7A,  ASH700228A,  0745,  NONE, 1.3247, 1.3728, 30, 135930
 b112 BM_112_Alameda_Co., 1996-06-26,  CHS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.4447, 1.4917, 30, 15300
 b112 BM_112_Alameda_Co., 1997-08-06,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.3802, 1.4277, 30, 15250
 b112 BM_112_Alameda_Co., 1997-10-09,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.4186, 1.4658, 30, 17430
 b112 BM_112_Alameda_Co., 1999-02-08,  JMS ,  USGS ,  ASHTECH,  LP03348 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.3399, 1.3878, 30, 172730
 b112 BM_112_Alameda_Co., 1999-02-09,  JMS ,  USGS ,  ASHTECH,  LP03348 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.2833, 1.3318, 30, 174130
 b112 BM_112_Alameda_Co., 2001-02-26,  JMS ,   ,  ASHTECH,  591 ,  Z-XII3 CD00,  ASH700936D_M,  329,  NONE, 1.4468, 1.4938, 30, 1750
 b112 BM_112_Alameda_Co., 2001-02-27,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.4438, 1.4908, 30, 16270
 b112 BM_112_Alameda_Co., 2005-02-23,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.3168, 1.3649, 30, 17430
 b112 BM_112_Alameda_Co., 2005-03-09,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.2258, 1.2749, 30, 16400
 b112 BM_112_Alameda_Co., 2014-07-16,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH700936D_M,  CR14244,  NONE, 1.4207, 1.4679, 15, 15590
 b112 BM_112_Alameda_Co., 2014-07-17,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.3491, 1.3969, 15, 153115
 b112 BM_112_Alameda_Co., 2020-12-01,  ELP ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14330,  NONE, 0.6916, 0.7508, 15, 155530
 b112 BM_112_Alameda_Co., 2020-12-04,  ELP ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.6989, 0.7579, 15, 154630