[Whirled One]

Originally Posted by markthefixer

A lot of tv stations broadcast in circular polarization. It is increasingly common, but not universal.

fcc information on tv station technical characteristics

Well whaddaya know... You learn something new every day! Thanks Mark!

As it turns out, none of the local TV stations where I live broadcast in circular polarization. One (a UHF station) is using elliptical polarization, though.