undef

s1b-ew-grd-vh-20190223t202348-20190223t202452-015078-01c2e0-002_filter

s1b-ew-grd-vv-20190223t202348-20190223t202452-015078-01c2e0-001_filter

s1b-ew-grd-vh-20190223t202348-20190223t202452-015078-01c2e0-002_winddir

s1b-ew-grd-vv-20190223t202348-20190223t202452-015078-01c2e0-001_winddir