undef

s1b-ew-grd-vh-20190307t004958-20190307t005102-015241-01c845-002_filter

s1b-ew-grd-vv-20190307t004958-20190307t005102-015241-01c845-001_filter

s1b-ew-grd-vh-20190307t004958-20190307t005102-015241-01c845-002_winddir

s1b-ew-grd-vv-20190307t004958-20190307t005102-015241-01c845-001_winddir