undef

s1b-ew-grd-hv-20170710t114029-20170710t114129-006425-00b4bc-002_filter

s1b-ew-grd-hh-20170710t114029-20170710t114129-006425-00b4bc-001_filter

s1b-ew-grd-hh-20170710t114029-20170710t114129-006425-00b4bc-001_winddir

s1b-ew-grd-hv-20170710t114029-20170710t114129-006425-00b4bc-002_winddir