undef

s1a-ew-grd-vv-20220130t010603-20220130t010632-041683-04f596-001_filter

s1a-ew-grd-vh-20220130t010603-20220130t010632-041683-04f596-002_filter

s1a-ew-grd-vv-20220130t010603-20220130t010632-041683-04f596-001_winddir

s1a-ew-grd-vh-20220130t010603-20220130t010632-041683-04f596-002_winddir