From the Canadian Heraldic Authority, some personal grants related to radio:
Diane Perry -
http://reg.gg.ca/heraldry/pub-reg/proje ... &ShowAll=1"The discs and stripes also form the Morse Code letter “P” (● ▬ ▬ ●), Ms. Perry’s initial and a reference to her involvement in amateur radio."
"The shape of the badge alludes to the European tradition of female armigers displaying their arms on a lozenge rather than a shield. It also suggests a vintage radio loop antenna, a reference to her involvement in amateur radio."
Harry Lewis -
http://reg.gg.ca/heraldry/pub-reg/proje ... entID=8564"The white wavy stripes suggest the signal and carrier wave of a radio broadcast, a reference to His Honour’s career in broadcasting, and, more broadly, to communication, one of the pillars of His Honour’s term as Lieutenant Governor. The radio mast pays tribute to His Honour’s broadcasting career"
Ronald Rennie -
http://reg.gg.ca/heraldry/pub-reg/proje ... entID=4393"The white represents the entire visible electromagnetic spectrum while the blue represents its most energetic part, reflecting the general and the particular together. This is an allusion to Mr. Rennie’s diverse areas of learning and his particular field of expertise. The divisions of the shield represent the conventional circuit symbol for an antenna. This alludes to Mr. Rennie’s involvement in electrical engineering and telecommunications. the lightning flash symbolizes radio communications."
Mark Macpherson -
http://reg.gg.ca/heraldry/pub-reg/proje ... entID=1000"The chief is embattled to suggest Mr. Macpherson’s military background, and the two red lightning flashes reflect his interest in the field of communication, both in his career in electrical engineering and telecommunications, and in his involvement in amateur radio organizations."