WWI – US Congress orders amateur radio operators to cease ops and dismantle equipment

In April 1917, following the United States’ entry into World War I, Congress ordered all amateur radio operators to cease operations and dismantle their equipment. This directive was implemented as a national security measure to prevent espionage and ensure that all radio communications could be effectively monitored and controlled by the military. The ban on amateur radio operations remained in place throughout the duration of the war. This suspension significantly impacted the amateur radio community, but many operators supported the war effort by serving in military communication roles. After the war ended, amateur radio operations were gradually reinstated, leading to a resurgence of the hobby and further advancements in radio technology.