More mobile broadband performance measurements are available and accessible to Californians, thanks to field testing done by the California Public Utilities Commission and mapping and analysis done by Jim Warner at U.C. Santa Cruz.
Warner, who is a network engineer for the University and chair of the Central Coast Broadband Consortium’s technical expert group, took the data collected in the CPUC’s first and second rounds of mobile data field testing and fed it into Google maps. The CPUC took readings at 1,200 locations in each round, for the most part repeating measurements at the same locations. AT&T, Sprint, T-Mobile and Verizon service was tested using both a smart phone and a netbook.
“It is comforting to see that in some speed tests, Verizon results were above 40 Mbit/sec – fully six times faster than the California broadband definition,” Warner wrote. “This means that the equipment used for the tests is not coloring the results.”
Warner shows, as an example, Verizon has reasonably consistent improvement in the Monterey Bay Area. On the other hand, to my eye there’s little difference in Verizon’s coverage in the Gold Country.
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