Working Group A: Site testing, validation and data archiving.
Chair: Tony Travouillon <tonyt@astro.caltech.edu>
Vice-chair: Jon Lawrence

Thanks to some excellent work by Geoff Sims , the SCAR AAA site testing database is now online. This database is designed to be freely used by the community. Please use it in your research, and direct any comments, additions and corrections to Geoff.