High Latitudes and Low Wavelengths

Donald B. MacMillan, an experienced arctic explorer and geologist, visited Hartford in early 1923 to discuss amateur radio with Hiram Percy Maxim.1 Among his various scientific investigations, MacMillan was planning to study the aurora borealis.  No one yet understood what the aurora was, but he had experienced it on previous trips and noticed that he could hear long wave radio signals through it. On his next expedition, besides photographing the aurora, he wanted to experiment with shortwave radio signals to … Continue reading


History has never been my best subject. But as far back as I can remember I have been interested in science. As a kid in the 1960s before computers and the Internet were available to everyone, I became intensely interested in electronics and especially amateur radio. In ways I can’t explain, communicating over thin air without wires fascinated me. Like many of my peers, my interest grew through my teen years leading me into a career in engineering. Also like … Continue reading