Change Record
Table of Contents
Version/Date
Section
 Description of change
v1     17/12/2004
Full document
 First issue of the document.
v2     31/08/2007 Full document Update to reflect start of Metop/IASI Level 1.
v2A  14/11/2007 Sections 4 & 6
Annex 7		 Sec. 4.1.4: Corrected reference to figure, to "just discernible in Figure 4.4".
Sec. 6.1.1: Added reference after "EPS Native format".
Ann. 7: Added initial sentence specifying PFS and GPFS versions used.
v2B  10/12/2007 Sections 3 & 4 Sec. 3: Added latest s/w version 4.0 to Table 3.2, and new auxiliary files Set 5 to Table 3.3.
Sec. 4.3.2: More description of GQisQualIndexLoc flag.
v2C  28/02/2008 Sections 3 & 6 Sec. 3: Added new auxiliary files Set 6 to Table 3.3.
Sec. 6: Webpage link added to "WMO Manual on Codes" reference.
v2D  01/09/2008 Sections 2,3,4
Annex 6		 Sec. 2.3: Deleted reference RD59 which duplicates RD58.
Sec. 3: Details of older data added: S/W versions 3.5.5, 3.6.4, 3.6.5 & 3.6.6 to Table 3.2, and auxiliary files Sets 1, 2 & 3 to Table 3.3.
Sec. 4.2: Figure reference corrected (4.5 not 4.4).
Ann. 6: Tables added summarising record contents for each product format version. Table for Level 1c MDR record: Correct unit descriptions added to GCcsRadAnalMean and GCcsRadAnalStd for channels 1,2 and 3a.
Other general layout improvements and typo corrections.
v2E  07/10/2008 Section 3 Table entries updated for document and PPF software versions.
v2F  21/04/2009 Section 3
Annex 6		 Table 3-3 PPF auxiliary parameter file - Set 7 added.
Bitfield GEPSIasiMode: Length values corrected.
Bitfield IDefCcsMode: “Length 4 bytes” inserted.
v3    13/05/2009 Full document Table 3-3 PPF auxiliary parameter file - Set 8 added.
Sec. 5: EPSView description replaced by text on available generic tools.
Various minor editorial updates, correction of typos and hyperlinks.
(NB: Ann. 6 & 7 renamed as Sec. 10 & 11.)
v3A  01/09/2009 Sections 4.3.2 & 10 (mainly) Updates for Day-2 product format:
Sec. 10: Added tables for new record versions 5 for MDR-1a, MDR-1b, MDR-1c. For all three records, dimension change for field GQisFlagQual and addition of GQisFlagQualDetailed. Also for MDR-1c, addition of fields GIacVarImagIIS, GIacAvgImagIIS, GEUMAvhrr1BCldFrac, GEUMAvhrr1BLandFrac and GEUMAvhrr1BQual. Corresponding descriptive additions to Sec. 4.3.2 & 10 for bitfield quality flags GQisFlagQualDetailed & GEUMAvhrr1BQual.
Other updates:
Sec. 2: Added reference RD23.
Sec. 6.5 Table 6.9: Descriptor Sequence codes updated.
Several other editorial updates/corrections.
v3B  30/11/2009 Section 6.5 ‘Day 2’ column and footnote added to Table 6.9.
WMO codes hyperlink updated and note added to warn of typo.
v3C  03/02/2010 Section 6.5 Added document links for Day 2 WMO BUFR format descriptions.
(Other minor textual and hyperlink updates.)
v3D  18/05/2010 Section 3
Section 6.3
Section 6.5
Section 10		 New entries in configuration history tables for introduction of Day 2 on 18/5/10.
Inserted new subsection: Decoding of IASI spectra using scaling factors.
Minor table/text updates relating to Day 2.
Added two missing links for GQisFlagQualDetailed.
v3E  24/06/2010 Section 3 Tables 3-2 and 3-3. Set 10 Aux files added.
v3F  12/06/2010 Section 3
Section 2.1 and 8
Section 9.3.5
General		 Configuration History table updates: installation of v5.1 processor. Impact: mainly affects AVHRR projection into IASI FOV, which modifies slightly the radiances classification, and then (much more slightly)the cloud fraction.
Section 8 merged with Section 9, and text updated to mention Day-2 PV Test Report (added as reference RD24 in Sec. 2.1) and daily monitoring reports.
Description update to MDR.GEUMAvhrr1BQual.
Other minor textual and hyperlink updates.
v3G  21/04/2011 Section 3
Section 4.1.1
Section 4.3.3
Sections 6 and 10 		Configuration History Table 3-3: New auxiliary files: Set 11 (with apodisation functions and scan mirror reflectivity updates) and Set 12 (reduced spectra).
Added paragraph warning about interband regions.
New section about interpixel differences problem and solution.
Table 6-1, Sec. 6.5 & Sec. 10: Extension of L1c subset product from 300 spectral channels to 366.
v3H  20/10/2011 Section 3
Section 9		 Configuration History Table 3-2: New PPF version. MDR-1a, -1b & -1c: Units correction from ‘Avhrr pixels’ to ‘ms’ for GEPSLocIasiAvhrr_IASI & GEPSLocIasiAvhrr_IIS. Likewise for GCcsImageClassifiedFirstLin in MDR-1c.
v3I  21/12/2011 Section 9 MDR-1a, -1b & -1c: Previous units correction from ‘Avhrr pixels’ to ‘ms’ for GEPSLocIasiAvhrr_IASI & GEPSLocIasiAvhrr_IIS in fact applies for the line only. Column stays in Avhrr pixels.
v3J  23/07/2011 Section 9 Update Table 3-2: New PPF v 6.2 fixing minor bugs. Update Table 3-3: set 13 with scan mirror reflectivity update