undef

s1b-ew-grd-vh-20180125t214304-20180125t214404-009333-010bfe-002_filter

s1b-ew-grd-vv-20180125t214304-20180125t214404-009333-010bfe-001_filter

s1b-ew-grd-vv-20180125t214304-20180125t214404-009333-010bfe-001_winddir

s1b-ew-grd-vh-20180125t214304-20180125t214404-009333-010bfe-002_winddir