Dear GSECARS Users, Given that GSECARS beamlines are unavailable during the ongoing APS Upgrade project,we would like to keep you informed regarding upcoming general user proposal deadlines at other synchrotron sources that may be useful to our users for conducting their research in the interim: Next deadline for proposals and beam time requests at NSLS-II: May 31, 2023 at 11:59 p.m. (ET) https://www.bnl.gov/nsls2/userguide/ Next deadline for standard X-ray proposals at SSRL for beamtime beginning January/February, 2024: August 1, 2023 https://www-ssrl.slac.stanford.edu/content/user-resources/how-request-access...