undef

s1b-ew-grd-hv-20170615t105927-20170615t110027-006060-00aa47-002_filter

s1b-ew-grd-hh-20170615t105927-20170615t110027-006060-00aa47-001_filter

s1b-ew-grd-hv-20170615t105927-20170615t110027-006060-00aa47-002_winddir

s1b-ew-grd-hh-20170615t105927-20170615t110027-006060-00aa47-001_winddir