SF Bay’s BART Tube Gets Cellular … Almost (PC World)
PC World - After months of complaining about 3G coverage on their iPhones, AT&T subscribers in San Francisco got some good news on Tuesday: Their mobile operator, along with Sprint Nextel, Verizon Wireless and T-Mobile USA, had extended their networks to the Transbay Tube, the underwater tunnel that Bay Area Rapid Transit (BART) subway trains take across San Francisco Bay.
Original post by PC World