Delmarva Amateur Radio and Electronics Expo

Delmarva Amateur Radio and Electronics Expo, 8 a.m. to 3 p.m., at Georgetown CHEER Center, 20520 Sand Hill Rd., Georgetown. Exhibitor Chris Cote of Smyrna will bring his ham radio equipment to demonstrate a variety of ways people use amateur radio to experiment and make contacts. Admission is $8 for adults, free for 18 & under. For more information go to radioelectronicsexpo.com.