http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National weather radar network observing and reporting procedures, effective January 1, 1980
pt. A. National weather radar network observing and reporting procedures, effective January 1, 1980 -- pt. B. Weather radar fundamentals and applications -- pt. C. Weather radar manual, effective April 1, 1982.