undef

s1a-ew-grd-vh-20190227t204111-20190227t204132-026120-02ea0c-002_filter

s1a-ew-grd-vv-20190227t204111-20190227t204132-026120-02ea0c-001_filter

s1a-ew-grd-vv-20190227t204111-20190227t204132-026120-02ea0c-001_winddir

s1a-ew-grd-vh-20190227t204111-20190227t204132-026120-02ea0c-002_winddir