That would be my guess too, especially as two crossed yagis are a well known way to receive circular polarized signals: http://www.qsl.net/dk7zb/Cross-Yagi/cro

That would be my guess too, especially as two crossed yagis are a well known way to receive circular polarized signals: http://www.qsl.net/dk7zb/Cross-Yagi/crossyagi.htm http://www.qsl.net/dk7zb/Cross-Yagi/crossyagi.htm