Pacificon is the ARRL Pacific Division Ham Radio Convention by the Mount Diablo Amateur Radio Club. The convention will include forums, all-day antenna seminar, parachute mobile contacts, license exams, W1AW/6 special event station, and more.
For a full rundown of events, view the event and forum schedules. Online registration is open until October 1st. Tickets will also be available at the door.
Source: Pacificon