undef

s1a-ew-grd-vv-20181005t092805-20181005t092910-023999-029f3e-001_filter

s1a-ew-grd-vh-20181005t092805-20181005t092910-023999-029f3e-002_filter

s1a-ew-grd-vh-20181005t092805-20181005t092910-023999-029f3e-002_winddir

s1a-ew-grd-vv-20181005t092805-20181005t092910-023999-029f3e-001_winddir