benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 vil2 Villa_2_1932_USC&GS, 1993-11-18,  JMS ,  USGS ,  ASHTECH,  763 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.2574, 1.3061, 30, 1730
 vil2 Villa_2_1932_USC&GS, 1996-05-07,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.3136, 1.3618, 30, 15630
 vil2 Villa_2_1932_USC&GS, 1996-05-08,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.3136, 1.3618, 30, 30
 vil2 Villa_2_1932_USC&GS, 2007-12-04,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 0.6958, 0.7549, 30, 0
 vil2 Villa_2_1932_USC&GS, 2007-12-05,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 0.6958, 0.7549, 30, 0
 vil2 Villa_2_1932_USC&GS, 2007-12-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 0.6958, 0.7549, 30, 0
 vil2 Villa_2_1932_USC&GS, 2008-10-29,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.7628, 0.8199, 30, 0
 vil2 Villa_2_1932_USC&GS, 2008-10-30,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.7628, 0.8199, 30, 0
 vil2 Villa_2_1932_USC&GS, 2011-03-09,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992801,  NONE, 0.5658, 0.6299, 15, 171815
 vil2 Villa_2_1932_USC&GS, 2011-03-10,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992801,  NONE, 0.5658, 0.6299, 15, 0
 vil2 Villa_2_1932_USC&GS, 2011-03-11,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992801,  NONE, 0.5658, 0.6299, 15, 0
 vil2 Villa_2_1932_USC&GS, 2011-03-12,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945B_M,  CR619992801,  NONE, 0.5658, 0.6299, 15, 0