undef

s1a-iw-grd-vv-20190831t105329-20190831t105358-028812-03439c-001_filter

s1a-iw-grd-vh-20190831t105329-20190831t105358-028812-03439c-002_filter

s1a-iw-grd-vh-20190831t105329-20190831t105358-028812-03439c-002_winddir

s1a-iw-grd-vv-20190831t105329-20190831t105358-028812-03439c-001_winddir