The California Public Utilities Commission’s (CPUC’s) CalSPEED program measures the reliability, quality, and availability of mobile wireless services. CalSPEED uses its own software in smartphones to take measurements at about 4,000 locations in urban, rural, and Tribal areas across California. You can find out how you can see these measurements and locations by using this CalSPEED how-to guide

Reports

Summarized Data

For ease of use, summarized data is the average of the 160 individual tests for each metric measured at each location. Datasets without such a summation are available upon request, and are posted at https://github.com/CalSPEED. The data is for public use.

Mobile Broadband Drive-Test Blog

More Information