WAZE-TV broadcasts on RF-20. There are some TV stations that also simulcast FM radio. However, I find no information that WAZE is one of them. Those that do transmit radio over one of their TV channels. The FM radio is nestled within the Low-VHF band. If WAZE is transmitting radio, then it is doing so in the UHF band. No separate antenna is needed to receive it.
A word about WAZE. According to
Wikipedia, WAZE is broadcasting full-power on RF-20 without a license. It is amazing that the Feds have not shut them down. It appears that this gross violation of Federal law is only the latest of the station's problems.