undef

s1a-ew-grd-vv-20191207t023226-20191207t023330-030236-0374df-001_filter

s1a-ew-grd-vh-20191207t023226-20191207t023330-030236-0374df-002_filter

s1a-ew-grd-vh-20191207t023226-20191207t023330-030236-0374df-002_winddir

s1a-ew-grd-vv-20191207t023226-20191207t023330-030236-0374df-001_winddir