Richard Dillman, co-founder of the Maritime Radio Historical Society, can tap out an impressive 25-plus words a minute in Morse code, his thumb and index finger almost imperceptibly flicking the red paddle of the semiautomatic telegraph key to the right for dots and to the left for dashes.
About 30 people crowded around him at 5:01 p.m. last Friday as he began his left-handed broadcast from the officially defunct KPH receiving station at the Point…