benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 q374, 2001-09-05,  JMS ,   ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.3691, 1.4167, 30, 161330
 q374, 2001-09-11,  WRT ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.4781, 1.5248, 30, 15560
 q374 Q374_1943_USCGS, 2005-09-09,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 1.2147, 1.2639, 30, 17510
 q374 Q374_1943_USCGS, 2005-09-13,  WRT ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.2844, 1.3329, 30, 16360
 q374 Q374_1943_USCGS, 2010-09-10,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.7925, 0.8488, 15, 161515
 q374 Q374_1943_USCGS, 2010-09-11,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.7925, 0.8488, 15, 0
 q374 Q374_1943_USCGS, 2010-09-12,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.7925, 0.8488, 15, 0