benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 colo Collado_1973_CaDivHw, 2001-10-24,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.2651, 1.3138, 30, 10
 colo Collado_1973_CaDivHw, 2001-10-25,  JMS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.2651, 1.3138, 30, 10
 colo Collado_1973_CaDivHw, 2003-04-22,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZC00,  ASH701945B_M,  CR619992805,  NONE, 1.1945, 1.2439, 30, 151630
 colo Collado_1973_CaDivHw, 2003-04-23,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZC00,  ASH701945B_M,  CR619992805,  NONE, 1.1945, 1.2439, 30, 0
 colo Collado_1973_CaDivHw, 2003-04-24,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZC00,  ASH701945B_M,  CR619992805,  NONE, 1.1945, 1.2439, 30, 0
 colo Collado_1973_CaDivHw, 2005-05-04,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1459, 1.1959, 30, 30
 colo Collado_1973_CaDivHw, 2005-05-05,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1459, 1.1959, 30, 30
 colo Collado_1973_CaDivHw, 2006-06-06,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.156, 1.2059, 30, 1630
 colo Collado_1973_CaDivHw, 2006-06-07,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.156, 1.2059, 30, 0
 colo Collado_1973_CaDivHw, 2008-05-15,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 0.4092, 0.4829, 30, 0
 colo Collado_1973_CaDivHw, 2008-05-16,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 0.4092, 0.4829, 30, 0
 colo Collado_1973_CaDivHw, 2008-05-17,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 0.4092, 0.4829, 30, 0
 colo Collado_1973_CaDivHw, 2008-05-18,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 0.4092, 0.4829, 30, 0
 colo Collado_1973_CaDivHw, 2008-05-19,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 0.4092, 0.4829, 30, 0