benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 yank, 1999-09-09,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.1802, 1.2298, 30, 15330
 yank, 1999-09-29,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.2833, 1.3318, 30, 153930
 yank Yank_1973_CalDivHwys, 2008-09-07,  SAH ,  USGS ,  ASHTECH,  579 ,  Z-XII 1L00,  ASH701945E_M,  CR520031626,  NONE, 1.2915, 1.3399, 30, 155530
 yank Yank_1973_CalDivHwys, 2008-09-09,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8018, 0.8579, 30, 1660
 yank Yank_1973_CalDivHwys, 2013-09-04,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.7915, 0.8479, 15, 163730
 yank Yank_1973_CalDivHwys, 2013-09-05,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.7915, 0.8479, 15, 0
 yank Yank_1973_CalDivHwys, 2013-09-06,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.7915, 0.8479, 15, 0