undef

s1a-iw-grd-vv-20211114t053653-20211114t053718-040563-04cfa7-001_filter

s1a-iw-grd-vh-20211114t053653-20211114t053718-040563-04cfa7-002_filter

s1a-iw-grd-vv-20211114t053653-20211114t053718-040563-04cfa7-001_winddir

s1a-iw-grd-vh-20211114t053653-20211114t053718-040563-04cfa7-002_winddir