benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 w002 W_2_NAVY_DEPT, 1994-06-14,  unknown ,  NGS ,  TRIMBLE 4000SST,  2790,  4.81,  TRM14532.00,  16,  NONE, 2.22, 0, 15, 18030
 w002 W_2_NAVY_DEPT, 1999-05-05,   ,   ,  TRIMBLE 4000SSE,  11526,  7.25,  4000ST,  30426,  L1/L2, 2, 0, 30, 152730
 w002 W_2_NAVY_DEPT, 1999-05-06,   ,   ,  TRIMBLE 4000SSE,  11526,  7.25,  4000ST,  30426,  L1/L2, 2, 0, 30, 192830
 w002 W_2_NAVY_DEPT, 1999-05-07,   ,   ,  TRIMBLE 4000SSE,  11526,  7.25,  4000ST,  30426,  L1/L2, 2, 0, 30, 151930