Dear Public Service Director: The University of California, Davis, would appreciate public service announcements on your broadcast station concerning the campus's upcoming Picnic Day. The following announcement is :15 in duration. COME TO THE 80th PICNIC DAY AT UC DAVIS ON SATURDAY, APRIL 17th. OPENING CEREMONIES FOR THE DAYLONG EVENT BEGIN AT 9:30 A.M. AT THE CENTER OF CAMPUS. FOR MORE INFORMATION ON THIS FREE EVENT, CALL (916) 752-6320. The following announcement is :30 in duration. ATTEND THE 80th PICNIC DAY AT UC DAVIS ON SATURDAY, APRIL 17th. OPENING CEREMONIES FOR THE DAYLONG EVENT BEGIN AT 9:30 A.M. AT THE CENTER OF CAMPUS. ACTIVITIES INCLUDE A PARADE, A RODEO, POLICE DOG DEMONSTRATIONS, MUSICAL ENTERTAINMENT, SPORTING EVENTS, DEPARTMENTAL EXHIBITS, AND A CHEMISTRY MAGIC SHOW. FOR MORE INFORMATION ON THIS FREE EVENT, CALL (916) 752-6320. The P.S.A. should be discontinued Saturday evening, April 17. Thank you for your assistance.