The Annual Winter SWL Festival
[ Mature Teens ] The largest annual gathering of shortwave listeners in North America, near Philadelphia, Pennsylvania in March.
ARRL: Field Day
[ Teens/Mature Teens ] Annual event in the US and Canada, held on the fourth full weekend in June. Includes rules, frequencies, and goals.
[ Mature Teens ] The world's largest topical conference and product exhibition.
Last update:December 6, 2013 at 11:21:14 UTC
Sports and Hobbies
People and Society