undef
s1b-iw-grd-vh-20211024t051253-20211024t051318-029273-037e47-002_filter
s1b-iw-grd-vv-20211024t051253-20211024t051318-029273-037e47-001_filter
s1b-iw-grd-vv-20211024t051253-20211024t051318-029273-037e47-001_winddir
s1b-iw-grd-vh-20211024t051253-20211024t051318-029273-037e47-002_winddir