benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 f220 F220_stmpd_Forks_195, 1992-10-20,   ,   ,  TURBOROGUE,  111 ,   ,  AOAD/M_T,  111,  NONE, 1.3481, 0, 30, 16450
 f220, 1996-09-28,  KAS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.3971, 1.4445, 30, 15400
 f220, 1998-09-26,  CHS ,  USGS ,  ASHTECH,  LP03362 ,  Z-XII3 CB00,  ASH700936E_C,  CR16379,  NONE, 1.3792, 1.4268, 30, 154230
 f220 F220_stmpd_Forks_195, 2002-09-12,  WRT ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993702,  NONE, 1.4015, 1.4489, 30, 161430
 f220 F220_stmpd_Forks_195, 2002-09-14,  SO ,  USGS MENLO PARK ,  TRIMBLE,  3427A06745 ,  4000SSE NP,  TRM22020.00+GP,  0220052070,  NONE, 1.5822, 0, 30, 15460