undef

s1b-iw-grd-vv-20201031t212948-20201031t213013-024062-02dbdb-001_filter

s1b-iw-grd-vh-20201031t212948-20201031t213013-024062-02dbdb-002_filter

s1b-iw-grd-vv-20201031t212948-20201031t213013-024062-02dbdb-001_winddir

s1b-iw-grd-vh-20201031t212948-20201031t213013-024062-02dbdb-002_winddir