benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 y100, 2001-09-12,  CHS ,   ,  ASHTECH,  lp020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.4901, 1.5368, 30, 15410
 y100, 2001-09-20,  APS ,   ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.2722, 1.3208, 30, 155030
 y100 GPS1395_41_1996_WSDO, 2005-09-17,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14333,  NONE, 1.4499, 1.4969, 30, 15410
 y100 1996_GPO_1395_41_WSD, 2005-09-22,  HRY ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.5023, 1.5489, 30, 15570
 y100 1996_GPO_1395_41_WSD, 2010-08-11,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.4217, 1.4689, 15, 154745
 y100 1996_GPO_1395_41_WSD, 2010-08-12,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 1.5587, 1.6048, 15, 162715