undef

s1a-ew-grd-hh-20160527t132902-20160527t132915-011445-0116d1-001_filter

s1a-ew-grd-hv-20160527t132902-20160527t132915-011445-0116d1-002_filter

s1a-ew-grd-hv-20160527t132902-20160527t132915-011445-0116d1-002_winddir

s1a-ew-grd-hh-20160527t132902-20160527t132915-011445-0116d1-001_winddir