benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mesa, 2001-09-12,  JMS ,   ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.3661, 1.4138, 30, 165230
 mesa, 2001-09-21,  APS ,   ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.17, 1.2197, 30, 1600
 mesa Mesa2_1983_NGS, 2005-09-17,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 0.4179, 0.4909, 30, 15480
 mesa Mesa2_1983_NGS, 2005-09-23,  HRY ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.2056, 1.2549, 30, 15560
 mesa Mesa2_1983_NGS, 2010-08-12,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.2713, 1.3199, 15, 152945
 mesa Mesa2_1983_NGS, 2010-08-13,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.2248, 1.2739, 15, 155515