undef

s1a-iw-grd-vv-20190502t002248-20190502t002313-027041-030baa-001_filter

s1a-iw-grd-vh-20190502t002248-20190502t002313-027041-030baa-002_filter

s1a-iw-grd-vh-20190502t002248-20190502t002313-027041-030baa-002_winddir

s1a-iw-grd-vv-20190502t002248-20190502t002313-027041-030baa-001_winddir