The raw sonar data was like that, all random noise of every frequency and tone and duration.

We still have no sonar data on the launching ship.

The view before him blurred as sonar data was lost.

Observers always became addicted to watching the sonar data.

In some cases, such as with submarines, the target speed could be estimated using sonar data.

The new course should give Kathy better sonar data.

Perry joined him and eyed the monitors with their green waterfalls of sonar data flowing over them.

It fed him sonar data from his boat far overhead.

PPI displays are also used to display sonar data, especially in underwater warfare.

Now, however, provided with all the sonar data, computers can generate three-dimensional images of the ocean floor.