undef

s1b-iw-grd-vh-20211024t051203-20211024t051228-029273-037e47-002_filter

s1b-iw-grd-vv-20211024t051203-20211024t051228-029273-037e47-001_filter

s1b-iw-grd-vv-20211024t051203-20211024t051228-029273-037e47-001_winddir

s1b-iw-grd-vh-20211024t051203-20211024t051228-029273-037e47-002_winddir