WMAP DR1 Time-Ordered Data Description
The data made available through this page has been updated. The most recent version of this data may be accessed through https://lambda.gsfc.nasa.gov/product/wmap/current/
The WMAP time-series data are provided through a set of compressed tar files. Each tar file contains ten files; each of these files contains one day of WMAP data written in five binary FITS tables. These tables contain:
For a far more complete description of the time-ordered data and these files, see the WMAP Explanatory Supplement. A sample of each FITS header is available here. IDL routines to read this product are available from the WMAP Software page.