ARRL Laboratory Manager Ed Hare, W1RFI, hold a Radio Frequency Interference (RFI) seminar via Zoom on Wednesday, May 19, at 2000 UTC. His 30-minute slide presentation offers an overview of politics, personalities, and technical issues involved in electromagnetic interference (EMI) control as well as causes and cures. A question-and-answer session will follow the slide presentation. The IEEE EMC…