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m →FM radio: Fixed error caused by unusual multi-year date range in citation. I couldn't figure out a way to do it correctly, so I used the most recent year. |
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== FM radio ==
[[File:KHTB-FM broadcasting antennas LakeMountain.jpg|thumb|upright=0.6|Crossed-dipole antenna array of station [[KENZ (FM)|KENZ]]'s {{nowrap|94.9 MHz}}, {{nowrap|48 kW}} transmitter on Lake Mountain, Utah. It radiates [[circular polarization|circularly polarized]] radio waves.]]
[[FM broadcasting|FM broadcast]] radio stations sometimes employ circular polarization to improve signal penetration into buildings and vehicles. It is one example of what the [[International Telecommunication Union]] refers to as "mixed polarization", i.e. radio emissions that include both horizontally- and vertically-polarized components.<ref>{{cite report |title=Report 464-5, "Polarization of Emissions in Frequency-Modulation Broadcasting in Band 8 (VHF)" |year=
==Dichroism==
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