benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 d706, 1998-09-02,  KEN J CHAMBERLAIN ,  US FOREST SERVICE ,  TRIMBLE 4000SSE,  3337A03919,  Nav,  TRM14532.00,  3301A66961,  NONE, 1.5816, 0, 15, 18445
 d706, 1998-09-11,  TOM G WILKINS ,  NATIONAL GEODETIC SU,  TRIMBLE 4000SSE,  4888,  Nav,  TRM22020.00+GP,  76727,  NONE, 2, 0, 15, 134415
 d706, 1998-09-14,  JUSTIN DAHLBERG ,  NATIONAL GEODETIC SU,  TRIMBLE 4000SSE,  4869,  Nav,  TRM22020.00+GP,  76725,  NONE, 2, 0, 15, 172715
 d706, 2001-09-07,  CHS ,   ,  ASHTECH,  lp020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.5466, 1.5928, 30, 153330
 d706, 2001-09-13,  APS ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.2742, 1.3228, 30, 154630
 d706 D706_1985_NGS, 2005-09-11,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14333,  NONE, 1.5567, 1.6029, 30, 15250
 d706 D706_1985_NGS, 2005-09-15,  HRY ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.6031, 1.6489, 30, 155730
 d706 D706_1985_NGS, 2010-09-11,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.5235, 1.5699, 15, 154115
 d706 D706_1985_NGS, 2010-09-12,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.453, 1.5, 15, 155345