undef

s1a-ew-grd-vv-20201026t221207-20201026t221307-034973-041438-001_filter

s1a-ew-grd-vh-20201026t221207-20201026t221307-034973-041438-002_filter

s1a-ew-grd-vh-20201026t221207-20201026t221307-034973-041438-002_winddir

s1a-ew-grd-vv-20201026t221207-20201026t221307-034973-041438-001_winddir