Spokesperson Kelly Schlageter told the site that "Deployment is just beginning in San Francisco. Coverage area is somewhat hard to describe at this stage because sites generally aren’t contiguous. There are sites on air in and around SF, kind of like popcorn."
Sprint isn't making an official announcement yet until it reaches "a density of sites to indicate that our customers should consistently have a great 4G LTE experience."
"Rather than deploy a site, test the equipment and then turn it off until we launch, we are leaving the sites on and customers are welcome to us the Sprint 4G LTE network wherever they find it," Schlageter said.