What's the use of antenna on the roof of a car? - Quora

What is the thing on the front of police cars? - Quora

If a car with several large antennas drives by your house every day, is it worth notifying the police? - Quora

Can I design my car to look like a police vehicle? - Quora

What's the use of antenna on the roof of a car? - Quora

Have amphibious automobiles been developed yet, and could they help improve humans' survival chances during floods or coastal disasters? - Quora

What happened to the high radio antennas that used to be on cars? - Quora

What is the purpose of the 'fin' on the roof of cars? - Quora

When did cars stop having antennas? - Quora

What are the differences between a roof top antenna and a car radio antenna? How do they work? - Quora