undef

s1a-iw-grd-vv-20170602t062200-20170602t062225-016851-01c04f-001_filter

s1a-iw-grd-vh-20170602t062200-20170602t062225-016851-01c04f-002_filter

s1a-iw-grd-vh-20170602t062200-20170602t062225-016851-01c04f-002_winddir

s1a-iw-grd-vv-20170602t062200-20170602t062225-016851-01c04f-001_winddir