undef

s1b-ew-grd-vv-20190614t133247-20190614t133351-016693-01f6a9-001_filter

s1b-ew-grd-vh-20190614t133247-20190614t133351-016693-01f6a9-002_filter

s1b-ew-grd-vh-20190614t133247-20190614t133351-016693-01f6a9-002_winddir

s1b-ew-grd-vv-20190614t133247-20190614t133351-016693-01f6a9-001_winddir