undef

s1a-ew-grd-vv-20210925t204659-20210925t204804-039843-04b69e-001_filter

s1a-ew-grd-vh-20210925t204659-20210925t204804-039843-04b69e-002_filter

s1a-ew-grd-vh-20210925t204659-20210925t204804-039843-04b69e-002_winddir

s1a-ew-grd-vv-20210925t204659-20210925t204804-039843-04b69e-001_winddir