benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 golc, 1999-09-12,  JTB ,  USGS ,  ASHTECH,  203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 1.1356, 1.1858, 30, 15420
 golc, 1999-09-23,  GWB ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CC00,  ASH701945.02B,  CR619992801,  NONE, 1.2489, 1.2977, 30, 15590
 golc Golc_stmpd_BM62_No.I, 2003-06-26,  WCH ,  USGS ,  ASHTECH,  LP02232 ,  Z-XII3 6J00,  ASH701945B_M,  CR619992801,  NONE, 1.4308, 1.4779, 30, 15540
 golc, 2003-06-29,  WRT ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.3652, 1.4129, 30, 16530
 golc Golc_BM62_No.I-001-3, 2008-09-17,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.2854, 1.3339, 30, 1560
 golc Golc_BM62_No.I-001-3, 2008-09-18,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 1.3642, 1.4119, 30, 135745