undef

s1a-ew-grd-vh-20181010t115011-20181010t115111-024073-02a192-002_filter

s1a-ew-grd-vv-20181010t115011-20181010t115111-024073-02a192-001_filter

s1a-ew-grd-vv-20181010t115011-20181010t115111-024073-02a192-001_winddir

s1a-ew-grd-vh-20181010t115011-20181010t115111-024073-02a192-002_winddir