Ripping a car radio from a car, building a 12 volt DC ... If you want to install a new outdoor FM antenna, there are two types to choose from, "omni-directional" and "directional".

The most common FM radio aerial on a portable radio is a telescopic ... but if you are retro-fitting a DAB radio into a car, you may need to add a DAB aerial. External aerials are also available ...

However, helically wound FM aerials are able to receive DAB ... to avoid any interference. If your car radio is showing no signal or no service for a station you usually receive, this could ...

You may want to replace the car antenna with one of higher quality ... Note: The "post type" antenna that pulls out of the radio is for FM and does nothing for AM reception.