undef

s1b-ew-grd-hv-20170623t131128-20170623t131232-006178-00ada8-002_filter

s1b-ew-grd-hh-20170623t131128-20170623t131232-006178-00ada8-001_filter

s1b-ew-grd-hh-20170623t131128-20170623t131232-006178-00ada8-001_winddir

s1b-ew-grd-hv-20170623t131128-20170623t131232-006178-00ada8-002_winddir