Dear Public Service Director: The University of California, Davis, would appreciate public service announcements on your broadcast station regarding Picnic Day 1996. The following announcement is :15 in duration. The public is invited to attend Picnic Day 1996 on April 20 at the University of California, Davis. The daylong festivities of this 83rd open house will begin at 9:30 a.m. with a parade. The following announcement is :30 in duration. Students at the University of California, Davis, invite everyone to Picnic Day 1996 on Saturday, April 20. The parade begins at 9:30 a.m. This 83rd open house will include dachshund races, police K-9 demonstrations, fashion show and various sporting events including a collegiate track meet. In addition, the daylong event will include departmental exhibits and tours of the campus. Entertainment for all ages will include a variety of bands and cultural performances. For further information contact the Picnic Day office at UC Davis, (916) 752-6320. The P.S.A. should be discontinued Sunday, April 21. Thank you for your assistance.