A simple wooden pole linked to the longest-running feature on CBC Radio, the 1 p.m. time signal from the National Research Council, seems about to vanish from an Ottawa neighbourhood over safety concerns. Standing taller than the trees that surround it, the pole is located on what used to be the west-end Ottawa property of J.P. Henderson. He was an astronomer at the Dominion Observatory. Although an astronomer, Henderson did a lot of experimenting with radio and was one of Ontario's first ham radio operators. At his home on Perth Street, Henderson put up a pole for his antenna from...