Change Record
Table of Contents

Version/Date
Section
 Description of change
v1     08/09/2004
Full document
 First issue of the document.
v2     31/08/2007 Full document Update to reflect start of Metop/ATOVS Level 1b.
v2A  10/07/2008 Full document, mainly Section 3 and Annexes 7, 8, 9 Section 3 revised to reflect configuration history.
Annexes 7, 8, 9: Table added to each appendix summarising record contents for each product format version.
Other general layout improvements, and text and typo corrections.
v3     11/01/2010 Full document Sec. 2: Added references RD25 & RD26 and replaced RD20.
Sec. 3: Configuration history tables updated.
Sec. 6.3.5: Added description of how to derive radiances from MDR data using factors. Improved equation and its description.
Sec. 11: In AMSU-A bitfield description tables, updates for FOV_Data_Quality (totally wrong before), Instrument_Status_A1, Instrument_Status_A2, Scan_Line_Quality.
Sec. 12: In MDR-1B table: Improved descriptions of compound data entries. In HIRS bitfield description tables, Digital_A_Data_Element_Flag deleted (because not a bitfield), Flag_Data updated to give better description.
Sec. 13: In MHS bitfield description tables, updates for Gain_Code, OB_ICU_Time_Int, Scan_Line_Quality, Telemetry_Update.
Document restructured - Ann. 6, 7, 8 & 9 renamed as Sec. 10, 11, 12 & 13, and common appendices removed to keep as separate document.
Other general typo corrections, and minor text and hyperlink amendments.