Driving home from a fishing trip in northern Michigan with his boat in tow, a man had engine trouble a few miles inland from Lake Huron. He didn't have a cell phone with him, so he decided to use his marine radio to get help. Climbing into his boat, he broadcast his call sign and asked for assistance. A coastguard officer responded: "Please state your location." The man said: "I'm on Interstate-75, two miles south of Standish." The officer paused. "Could you repeat that?" "Interstate-75, two mil…