undef

s1a-ew-grd-hv-20160701t160357-20160701t160457-011957-0126f1-002_filter

s1a-ew-grd-hh-20160701t160357-20160701t160457-011957-0126f1-001_filter

s1a-ew-grd-hv-20160701t160357-20160701t160457-011957-0126f1-002_winddir

s1a-ew-grd-hh-20160701t160357-20160701t160457-011957-0126f1-001_winddir