undef

s1b-iw-grd-vv-20211009t104904-20211009t104929-029058-0377a7-001_filter

s1b-iw-grd-vh-20211009t104904-20211009t104929-029058-0377a7-002_filter

s1b-iw-grd-vh-20211009t104904-20211009t104929-029058-0377a7-002_winddir

s1b-iw-grd-vv-20211009t104904-20211009t104929-029058-0377a7-001_winddir