benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 bm1r BMT_10_RM1_1977_NCER, 1992-03-03,  CHS ,  USGS ,  ASHTECH,  99 ,  LM-XII3 6A,  ASH700228D,  1036,  NONE, 1.4674, 1.5142, 30, 63230
 bm1r BMT_10_RM1_1977_NCER, 1993-01-25,  CHS ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 6M24,  ASH700228A,  1027,  NONE, 1.3719, 1.4195, 30, 9460
 bm1r BMT_10_RM1_1977_NCER, 1996-06-20,  CHS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.6098, 1.6556, 30, 15450
 bm1r BMT_10_RM1_1977_NCER, 1997-07-30,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.5133, 1.5598, 30, 153130
 bm1r BMT_10_RM1_1977_NCER, 1997-10-06,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.5043, 1.5509, 30, 155630
 bm1r BMT_10_RM1_1977_NCER, 1999-01-25,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.5214, 1.5678, 30, 16540
 bm1r BMT_10_RM1_1977_NCER, 1999-01-26,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.5375, 1.5838, 30, 172830
 bm1r BMT_10_RM1_1977_NCER, 2001-02-13,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.35, 1.3978, 30, 17330
 bm1r BMT_10_RM1_1977_NCER, 2001-03-26,  CHS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.4821, 1.5288, 30, 1600
 bm1r BMT_10_RM1_1977_NCER, 2005-02-01,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3592, 1.4069, 30, 16280
 bm1r BMT_10_RM1_1977_NCER, 2005-02-02,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.4156, 1.4629, 30, 16190
 bm1r BMT_10_RM1_1977_NCER, 2012-01-12,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.5295, 1.5759, 15, 16515
 bm1r BMT_10_RM1_1977_NCER, 2012-01-25,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4035, 1.4508, 15, 16745
 bm1r BMT_10_RM1_1977_NCER, 2016-11-10,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00580,  NONE, 1.5416, 1.5879, 15, 172245
 bm1r BMT_10_RM1_1977_NCER, 2016-11-14,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00580,  NONE, 1.241, 1.2899, 15, 17245
 bm1r BMT_10_RM1_1977_NCER, 2023-02-21,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.7987, 0.8549, 15, 173415
 bm1r BMT_10_RM1_1977_NCER, 2023-02-22,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.7987, 0.8549, 15, 0
 bm1r BMT_10_RM1_1977_NCER, 2023-02-23,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.7987, 0.8549, 15, 0