benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 slts SALTOS_1958_USGS, 2007-01-28,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.4384, 0.5099, 30, 0
 slts SALTOS_1958_USGS, 2007-02-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 0.5384, 0.6038, 30, 0
 slts SALTOS_1958_USGS, 2007-02-08,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 0.5384, 0.6038, 30, 0
 slts SALTOS_1958_USGS, 2010-05-21,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.4577, 0.5278, 15, 0
 slts SALTOS_1958_USGS, 2010-05-22,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.4577, 0.5278, 15, 0
 slts SALTOS_1958_USGS, 2010-05-23,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.4577, 0.5278, 15, 0
 slts SALTOS_1958_USGS, 2013-08-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.771, 0.8279, 15, 173830
 slts SALTOS_1958_USGS, 2013-08-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.771, 0.8279, 15, 0
 slts SALTOS_1958_USGS, 2013-08-08,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.771, 0.8279, 15, 0