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Unless you are skilled in electrical engineering and understand the nuances of RF tuner design, you can't. A easier solution is to get an old VCR and use that as a tuner/RF modulator.
The Insignia Portable CD Player with FM Tuner and MP3 Playback holds 10 preset stations.
A demoodulator is a radio tuner and the modulator is the fm transmitters so it is the fm transmitters going to the radio
Yes. A tuner is required to record from more than one channel.
You will need a CD changer that can be controlled using an FM modulator.
All televisions have a "tuner" in them. Otherwise, they would be monitors. You can tell if your television has a tuner by seeing if it has a channel up/down button or a knob on the front.
Ted Tuner
You'll need a VCR that already has a tuner (pref digital tuner in case your without cable) The VCR can select a channel and give an output on its RCA connectors, you can record using the VCR as a tuner. Pete
it doesn't have a dual tuner
That is determined by the TV and many of the newer TV have settings for other devices and the channel and TV tuner is not used and can remain on any channel.
Most TV's can display both if you do a separate digital/analog channel search.
It's not on any channel. To listen to it you have to go to the top of the tuner.