undef

s1b-ew-grd-vv-20190226t083509-20190226t083614-015115-01c412-001_filter

s1b-ew-grd-vh-20190226t083509-20190226t083614-015115-01c412-002_filter

s1b-ew-grd-vv-20190226t083509-20190226t083614-015115-01c412-001_winddir

s1b-ew-grd-vh-20190226t083509-20190226t083614-015115-01c412-002_winddir