Previously Released Data
Version 1.0 Data, released April 2010Version 1.0 was superceeded by version 1.1 in June 2010. In version 1.0, a maximum of 20 iterations was used in the least-squares curve fitting of both single and double Gaussian functions. For version 1.1, this was increased to a maximum of 200 iterations (Version 1.1 of the data can be found here).
WIC Boundaries - May 2000 to August 2002
SI12 Boundaries - May 2000 to August 2002
SI13 Boundaries - May 2000 to August 2002