undef

s1a-iw-grd-vh-20211113t173750-20211113t173815-040556-04cf60-002_filter

s1a-iw-grd-vv-20211113t173750-20211113t173815-040556-04cf60-001_filter

s1a-iw-grd-vh-20211113t173750-20211113t173815-040556-04cf60-002_winddir

s1a-iw-grd-vv-20211113t173750-20211113t173815-040556-04cf60-001_winddir