benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 gilm, 2003-09-17,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3864, 1.4339, 30, 154630
 gilm, 2003-09-18,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3864, 1.4339, 30, 10
 gilm Gilmore_1950_USC&GS, 2007-09-19,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.3218, 1.3699, 30, 0
 gilm Gilmore_1950_USC&GS, 2007-09-20,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.3218, 1.3699, 30, 0
 gilm Gilmore_1950_USC&GS, 2012-09-25,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.2531, 1.3019, 15, 18445
 gilm Gilmore_1950_USC&GS, 2012-09-26,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.2531, 1.3019, 15, 0
 gilm Gilmore_1950_USC&GS, 2012-09-27,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.2531, 1.3019, 15, 0