IERS Conventions 2010

The IERS Conventions (2010) was finalized in October 2010. It is now available as IERS Technical Note 36.

Updates to this document are available here. You may send comments and proposals to and . The following list provides links to all parts of the Conventions. The same information can be found at BIPM. The complete set of files and associated software are available on two identical ftp sites at the BIPM and at the USNO. A page containing additional material to the Conventions is available here.

A first evaluation of IERS Conventions (2010) survey responses is available here.

There are differences between the final version and the chapters in the latest update to the Conventions (2003). The list below presents only significant changes in the technical content. In addition, typos have been corrected, some words have changed, some references have been improved and the layout of the IERS Technical Notes has been adopted.

  • Introduction: Completed some information in Table 0.2.
  • Chapter 4: Change equation (4.16) and the following two lines.
  • Chapter 7: Change last sentence of section 7.1.3.
  • Chapter 7: Correct t0 in equation (7.25) for the conventional mean pole to be 2000.0, not 2010.0.
  • Chapter 7: Page 113, 6 lines from bottom, the reference is corrected to Section 7.1.2 (was 7.1.1).
  • Chapter 9: Change some text 10 lines after equation (9.12) and 4 lines before equation (9.13).
  • Chapter 9: Change title to "Models for atmospheric propagation delays".

Updates to the final version will be posted here as they become available and have undergone the standard reviewing process.