Breadcrumb Home Events APS/URSI 2015 Meeting Registration APS/URSI 2015 Meeting Registration Rates Increase after May 20th All dates for this event occur in the past. Wed, May 20 2015, 8am - Sat, Jul 18 2015, 5pm Registration: Mon, May 18 2015, 8am - 5pm Event Highlight Wed, May 20 2015, 8am - Sat, Jul 18 2015, 5pm Registration: Mon, May 18 2015, 8am - 5pm