undef
s1b-iw-grd-vv-20211115t052735-20211115t052800-029594-038826-001_filter
s1b-iw-grd-vh-20211115t052735-20211115t052800-029594-038826-002_filter
s1b-iw-grd-vv-20211115t052735-20211115t052800-029594-038826-001_winddir
s1b-iw-grd-vh-20211115t052735-20211115t052800-029594-038826-002_winddir