The fourth National Radio Conference convened on 9 November 1925, with seven hundred delegates from all sectors of the radio community present. Although attendance was larger than at any previous conference, it concluded its work in only three days, the shortest of any.1 As before, Maxim, Stewart, and Warner represented ARRL and the US amateurs. Commerce Secretary Herbert Hoover once again presided over the conference and set the tone. In his opening remarks he said that amateur radio “has found … Continue reading
Tag Archives: Zenith
As ARRL traffic manager Fred Schnell was beginning his voyage to the southern hemisphere with the US Navy,1 arctic explorer Donald MacMillan2 announced he would once again sail north with shortwave radio aboard the Bowdoin.3 The trip would begin in June 1925, and this time he planned to explore the north polar region using airplanes to determine whether any land existed there. The Bowdoin would be accompanied by a second ship, the Peary, captained by Commander Eugene F. MacDonald, Jr., … Continue reading
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