Radius Tool Guide

Use this tool to visualize a radius around a location on a map. Whether you need to evacuate a defined area or want to manually view a phone ping on a map, the Radius Tool has you covered.

A radius can be added to the map by manually selecting “Add Radius” in the upper right corner of the tool. From there, you can name your radius, enter latitude and longitude, add the radius value and define the distance format for the radius.

Tracking a fugitive’s phone or looking for a missing person? Don’t chase cell tower GPS locations. Visualize the accuracy radius and zero in on your target as you receive data from the cell provider.

Common mistake:

AT&T, Sprint, T-Mobile or Verizon send you a response to a ping request and it includes a latitude and longitude. You go to the location to search or dispatch provides it to officers to check the area.

Nothing is found.

Why?

The latitude and longitude by themselves are not the location of the device. This is commonly the location of the cell tower. You have to map the accuracy or radius value!

The accuracy (or radius) value is a number that represents a distance in meters from the GPS coordinates that identifies an area the device is believed to be in.

The smaller the accuracy value, the more precise the reporting of the device’s location will be.

Badge Apps has created a phone ping mapping tool that will let you visualize the radius around a phone ping to define your search area. As the pings arrive from the cellular provider, input the latitude, longitude and accuracy radius into the radius tool to manually see them on a map.

If you have a single ping, your search area will be inside the red radius:

To reduce the search area, use multiple pings to triangulate the location of the device. If you have multiple pings in an area over a short period of time, the likely location of the device is where the radii overlap.