undef

s1b-iw-grd-vh-20201007t113512-20201007t113537-023706-02d0ba-002_filter

s1b-iw-grd-vv-20201007t113512-20201007t113537-023706-02d0ba-001_filter

s1b-iw-grd-vh-20201007t113512-20201007t113537-023706-02d0ba-002_winddir

s1b-iw-grd-vv-20201007t113512-20201007t113537-023706-02d0ba-001_winddir