File name: Ryyyymmddhh.EXE where R=Regional Office;
yyyy=year; mm=month; dd=day; hh=hour in GPS time. The .EXE files
are compressed and self-extracting ZIP files. File length is
one hour.
Data is kept for 90 days on the website. Older files
available on request.
Additional comments: Operation is 24 hours per day;
7 days per week. Files are usually available 5 minutes after
the hour.