undef

s1b-ew-grd-vh-20180829t075408-20180829t075512-012475-017011-002_filter

s1b-ew-grd-vv-20180829t075408-20180829t075512-012475-017011-001_filter

s1b-ew-grd-vh-20180829t075408-20180829t075512-012475-017011-002_winddir

s1b-ew-grd-vv-20180829t075408-20180829t075512-012475-017011-001_winddir