undef

s1b-iw-grd-vh-20200906t092820-20200906t092849-023253-02c288-002_filter

s1b-iw-grd-vv-20200906t092820-20200906t092849-023253-02c288-001_filter

s1b-iw-grd-vh-20200906t092820-20200906t092849-023253-02c288-002_winddir

s1b-iw-grd-vv-20200906t092820-20200906t092849-023253-02c288-001_winddir