undef

s1a-iw-grd-vv-20211112t055300-20211112t055325-040534-04cea0-001_filter

s1a-iw-grd-vh-20211112t055300-20211112t055325-040534-04cea0-002_filter

s1a-iw-grd-vv-20211112t055300-20211112t055325-040534-04cea0-001_winddir

s1a-iw-grd-vh-20211112t055300-20211112t055325-040534-04cea0-002_winddir