undef

s1a-ew-grd-vv-20200725t034755-20200725t034859-033606-03e50e-001_filter

s1a-ew-grd-vh-20200725t034755-20200725t034859-033606-03e50e-002_filter

s1a-ew-grd-vh-20200725t034755-20200725t034859-033606-03e50e-002_winddir

s1a-ew-grd-vv-20200725t034755-20200725t034859-033606-03e50e-001_winddir