undef

s1a-ew-grd-vv-20181005t192200-20181005t192300-024005-029f65-001_filter

s1a-ew-grd-vh-20181005t192200-20181005t192300-024005-029f65-002_filter

s1a-ew-grd-vv-20181005t192200-20181005t192300-024005-029f65-001_winddir

s1a-ew-grd-vh-20181005t192200-20181005t192300-024005-029f65-002_winddir