undef

s1a-ew-grd-vh-20181009t142906-20181009t143010-024060-02a122-002_filter

s1a-ew-grd-vv-20181009t142906-20181009t143010-024060-02a122-001_filter

s1a-ew-grd-vv-20181009t142906-20181009t143010-024060-02a122-001_winddir

s1a-ew-grd-vh-20181009t142906-20181009t143010-024060-02a122-002_winddir