undef

s1b-iw-grd-vh-20200906t092914-20200906t092940-023253-02c288-002_filter

s1b-iw-grd-vv-20200906t092914-20200906t092940-023253-02c288-001_filter

s1b-iw-grd-vv-20200906t092914-20200906t092940-023253-02c288-001_winddir

s1b-iw-grd-vh-20200906t092914-20200906t092940-023253-02c288-002_winddir