benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 b340, 2001-09-15,  CHS ,   ,  ASHTECH,  lp020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2034, 1.2527, 30, 15210
 b340, 2001-09-18,  APS ,   ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.254, 1.3028, 30, 16230
 b340 B340_1951_USCGS, 2005-09-15,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14333,  NONE, 1.2713, 1.3199, 30, 15030
 b340 B340_1951_USCGS, 2005-09-20,  HRY ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.3107, 1.3589, 30, 15560
 b340 B340_1951_USCGS, 2010-08-08,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.3824, 1.43, 15, 143245
 b340 B340_1951_USCGS, 2010-08-09,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.244, 1.2929, 15, 153115