Once again, the makers of Newton County’s 911 radio system came before the Board of Commissioners, and once again they said the problems will be solved soon.Two representatives from the Harris Corp., the company that purchased Tyco Electronics — the maker of the OpenSky 911 radio system, said they had fixed some of the radio system’s more serious problems and were close to fixing the rest.Since the system was installed a year ago, police officers, firefighters and other emergency radio users have had problems with interference from cell phone towers, significant delays in repairing faulty