The Cape Ann Amateur Radio Association invites the public to an outdoor demonstration of amateur radio on Saturday June 25, 2:00 p.m.- 8:00 p.m. at the Fuller School Field off of the RT 128 North Blackburn circle rotary. You will see the many modes of communication available from Morse code, using today’s computers, to digitally transmitted signals, all using generator power; you will even have the opportunity to get on the air yourself and talk around the world in this fun and educational event for the entire family. Call 978-282-7645.