What’s the radar enthusiast to do? While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this sonar imaging system using a lot of radar principles. Initial experiments ...

While a well-known use of this is sonar, ultrasonic sensors can also be put to use to make a radar-like system. This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance ...

The meteorologists uses radar because the distance involved is so large and ultrasound travels relatively slowly at 330 m/s. It would take sonar too long to travel to the storm and back ...