ARRL: Field Day
Annual event in the US and Canada, held on the fourth full weekend in June. Includes rules, frequencies, and goals.
Electronics Flea Market
Electronics flea market held De Anza College in Cupertino, California on the second Saturday of the month from March to October. Includes fees and directions.
Florida QSO Party
Event is held in April. Features logs, contest and registration information, QSL, downloads and links.