North Fulton Amateur Radio League will host its annual Field Day, June 25-26 at Waller Park Extension, 160 Dobbs Drive, Roswell.

The event, which drew nearly 250 people last year, features operators giving demonstrations of their radio skills and emergency communications techniques. The latest amateur radio technology will be on display.

The free event runs for 24 hours beginning at 2 p.m.

Information: www.nfarl.org.