undef

s1a-ew-grd-vv-20190222t081742-20190222t081842-026040-02e72e-001_filter

s1a-ew-grd-vh-20190222t081742-20190222t081842-026040-02e72e-002_filter

s1a-ew-grd-vv-20190222t081742-20190222t081842-026040-02e72e-001_winddir

s1a-ew-grd-vh-20190222t081742-20190222t081842-026040-02e72e-002_winddir