undef

s1b-ew-grd-vv-20190303t133123-20190303t133228-015190-01c6a0-001_filter

s1b-ew-grd-vh-20190303t133123-20190303t133228-015190-01c6a0-002_filter

s1b-ew-grd-vh-20190303t133123-20190303t133228-015190-01c6a0-002_winddir

s1b-ew-grd-vv-20190303t133123-20190303t133228-015190-01c6a0-001_winddir