undef

s1a-iw-grd-vv-20201112t232153-20201112t232218-035222-041cd6-001_filter

s1a-iw-grd-vh-20201112t232153-20201112t232218-035222-041cd6-002_filter

s1a-iw-grd-vh-20201112t232153-20201112t232218-035222-041cd6-002_winddir

s1a-iw-grd-vv-20201112t232153-20201112t232218-035222-041cd6-001_winddir