switch timestamp check to >.
switch timestamp check to >.

ldecicco-USGS/vizlab,USGS-VIZLAB/vizlab,aappling-usgs/vizlab,ldecicco-USGS/vizlab,aappling-usgs/vizlab,jiwalker-usgs/vizlab,lindsaycarr/vizlab,USGS-VIZLAB/vizlab,lindsaycarr/vizlab,aappling-usgs/vizlab,jiwalker-usgs/vizlab,ldecicco-USGS/vizlab,USGS-VIZLAB/vizlab,lindsaycarr/vizlab,jiwalker-usgs/vizlab