San Francisco Chronicle: But unless state officials and Pacific Gas and Electric Co. relent, he’s going to get one anyway. Hart, 34, considers the radiation from wireless devices – such as cell phones, laptops and the new SmartMeters – a health hazard. He covered the existing electricity meter at his home in Scotts Valley (Santa Cruz County) with a sign proclaiming the premises a “SmartMeter-free zone.” On several occasions, he has followed meter installers around town with a video camera, filming as …