undef

s1b-ew-grd-vh-20190323t104523-20190323t104628-015480-01d003-002_filter

s1b-ew-grd-vv-20190323t104523-20190323t104628-015480-01d003-001_filter

s1b-ew-grd-vv-20190323t104523-20190323t104628-015480-01d003-001_winddir

s1b-ew-grd-vh-20190323t104523-20190323t104628-015480-01d003-002_winddir