I have only just heard the shocking and saddening news about Jim.
As a fellow amateur radio operator I came to know Jim well, particularly in connection with his work for Radio Amateurs of Canada. He was a very strong advocate for RAC and for amateur radio in general. I think of Jim as a very sincere,dedicated, tactful, intelligent man who did a great deal to promote amateur radio. I was privileged to work with him and benefitted from his good advice on numerous occasions.
My sincere condolences go to you and all of the family.