Minimize MIPAS Products and Algorithms
Minimize Processor Releases

History of MIPAS Level 1b and Level 2 processors' releases, with related prototype version and documentation.

Minimize MIPAS Level 1b Processor Releases
IPF Prototype  DPM ATBD IODD Product Spec ADF Processor updates Operational
switch date
MICAL 8.03 mical 8.03 6 2 7A N/A 10

Upgrades:

- New detectors non-linearity coefficients

- Upgraded pointing correction model

- Longitude and latitude error fields addition

- Removal of elevation mirror WCC scans

- Upgraded offset validation (threshold and handling of invalid)

- Non-rejection of scene with Level 0 transmission error flag

- Extended spectral wave number range

- Processing of daily gain (and flagging of extreme variation)

- Precise spectral calibration

REPRO Phase F
7.11 migsp 3.2
mical 3.2
5E 1D 6A 5B 9.1B
9.3A

Upgrades:

- Improved spike detection/correction algorithm

- Improved offset validation algorithm

- Improved non-linearity characterisation

- Improved altitude determination

- Added day/night discrimination
REPRO Phase F
5.06 migsp 2.7
mical 1.6
4L 1C 5B 4C 8.6

Bug fixes:
- Wrong 'Number of sweeps in current scan' for special mode
- Wrong REF_DOC in MPH of MIPAS products.

NRT
OFL
03/05/2011
5.05 migsp 2.7
mical 1.6
4L 1C 5B 4C 8.6

Compiled with the new CFI version 5.8.1 for the ENVISAT mission extension.

OFL
NRT
21/06/2010
10/06/2010
5.02 migsp 2.7
mical 1.6
4L 1C 5B 4C 8.6

Upgrades:
- Truncation of the Interferogram to 8.0 cm in order to avoid under-sampling the spectrum for the Optimized Resolution mission
- Improved Level 1b engineering heights calculation
- Calculation of the quadratic terms for spectral calibration that are provided in the output products
- Additional fields in the Level 1b products, such as the auxiliary L0 data packets that provide information about housekeeping data.

NRT
OFL
28/01/2010
24/01/2010
4.67L02 migsp 2.6
mical 1.4
4Ia 1B 4E 3I 6.1

Linux porting of the IPF version 4.67 (AIX processor).

NRT
OFL
28/09/2009
4.67 migsp 2.6
mical 1.4
4Ia 1B 4E 3I 6.1

Bug fixes:
- L1b products generated with wrong "NUM_DSR" value in the SPH; in particular this value differs by one unit from the "TOT_SCAN" value, while the two should be the same.
- Violation of the shared memory area of PFHS. PFHS performance is seriously affected, because too many manual re-starts become necessary.

OFL 04/09/2006
4.65 migsp 2.5 4I 1B 4E 3I 6.1

No updates for Level 1 processing.

OFL 09/02/2006
4.64 migsp 2.5
mical 1.4
4I 1B 4E 3I 4.1

Bug fixes:
- Problem with the block sequence.

not in operations
4.63 migsp 2.5
mical 1.4
4I 1B 4E 3I 4.1

Upgrades:
- Processing of low resolution measurements, with reduced resolution for offset and gain data.
Bug fixes:
- Band D oscillations in forward sweeps for MIPAS reduced-resolution products
- NESR data problem.

not in operations
4.62 migsp 2.5
mical 1.4
4H 1B 4E 3I 4.0

Upgrades:
- Processing of low resolution measurements, without reduced resolution for offset and gain data.
Bug fixes:
- Bug in the MIPAS processor ILS retrieval.
- Scans with null NESR.

OFL 02/09/2004
4.61           3.0-3.2

Bugs fixes:
- Sparse corruption of bands between 1 and 4 January 2004.

NRT
OFL
17/03/2004
15/03/2004
4.59            

No updates for Level 1 processing.

OFL
NRT
06/08/2003
23/07/2003
4.57            

Upgrades:
- Modification of FCE algorithm
- Elimination of strong anomalous oscillations in the spectra
- Modification of NESR reporting
- ADC saturation flagging
- Addition of aliasing spike suppression algorithm.

NRT
OFL
18/03/2003
05/03/2003

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Minimize MIPAS Level 2 Processors Releases
IPF Prototype  DPM ATBD IODD Product Spec ADF Processor updates Operational
switch date
ML2PP 7.03 ml2pp 7.03 7.2 6.0 7B 5B 7.6

Upgrades:
- Implementation of a self-adapting altitude-dependent regularization scheme
- Implementation of a change in continuum retrieval variables
- Upgraded microwindows for the Full Resolution measurements
- Diurnally varying climatological profiles
- Retrieval of additional species (COF2, CCl4, HCN, CFC-14, HCFC-22)

REPRO Phase F
ML2PP 6.0 ml2pp 6.01 6.2 5.0 6.0 5A 7.1

Upgrades:
- Retrieval of additional species (CFC-11, CFC-12, ClONO2, N2O5)
- Increase of convergent profile
- Removal of constraints for negative VMR
- New AKM and VCM calculation
- Diurnally varying initial guess
- New quality flags
- Improved convergence

 

REPRO 07/06/2012
5.06 ml2pp 5.0 5.2 4.1 5E 4C 6.4

Bug fixes:
- Invalid information in DATASET STRUCTURE ADS for 'empty' products
- MIP_NLE_2P conversion fail on BUFR (ESRIN and Kiruna)
- MIPAS IPF 5.05 crashes for one orbit in NRT operations
- High chi square for CH4 and N2O retrieval
- MIPAS wrong flag in ADS in case of empty MDS
- Microwindow Occupation ADS corrupted records
- MIPAS: problem with GRIBEX.

NRT
OFL
03/05/2011
5.05 ml2pp 5.0 5.2 4.1 5E 4C 6.4

Upgrades:
- Level 2 processing of the Optimized Resolution mission.

OFL
NRT
21/06/2010
10/06/2010
5.02 - - 4.1 - 4C -

No Level 2 processing with this IPF version.

NRT
OFL
28/01/2010
24/01/2010
4.67L02 ml2pp 4.0 4.1 3.0 4 3I 5.2

Linux porting of the IPF version 4.67 (AIX processor).

NRT
OFL
28/09/2009
4.67 ml2pp 4.0 4.1 3.0 4 3I 5.2

Bug fixes:
- NO2 MIPAS products relative to orbit #7000 (3 July 2003)  with high values of chi2
- Some Level 2 products processed with IPF 4.62 differ from the corresponding products processed with IPF 4.61
- Some L2 products processed with IPF 4.61 and IPF 4.62 give beat-check format error.

OFL 04/09/2006
4.65 ml2pp 4.0 4.1 3.0 4 3I 5.2

Upgrades.
Bug fixes:
- Problem with MIP_NL__2P.

OFL 09/02/2006
4.64 ml2pp 4.0 4.1 3.0 4 3I 5.1 No updates for Level 2 processing. not in operations
4.63 ml2pp 4.0 4.1 3.0 4 3I 5.1

Upgrades:
- Level 2 processing of the Reduced Resolution mission.
Bug fixes:
- Some MIPAS profiles have zero pressure
- MIPAS Level 2 failure
- Problem with MIPNL__2P
- One second discrepancy in IPF 4.61.

not in operations
4.62 ml2pp 4.0 4.0 3.0 4 3I 3.8

Bug fixes:
- Cloud-detection anomaly
- Inconsistent values in MIPAS files
- Level2 profile counting bug.

OFL 02/09/2004
4.61            

Bug fixes:
- Inconsistency in number of profiles in MIPAS Level_2
- Number of computed residual spectra not consistent with the number of observations.

NRT
OFL
17/03/2004
15/03/2004
4.59            

Upgrades:
- Cloud filtering
- Removal of the gaps between the altitude validity ranges, allowing retrievals in the Antarctic region
- Altitudes margins fixed to +/- 4 km
Bug fixes:
- Inconsistency in number of scans
- Different values for same scans
- Wrong DSD name in L2 product in case of not requested VMR
- Filling of SPH field 22 of MIPAS Level 2 Products
- Filling of the MIPAS MPH and MIPAS Level 2 SPH fields
- Wrong writing of PCD String to the PCD Information ADS
- Too strong test and skipping retrieval
- Not initialised nucl1 and nucl2 in R 8.5.6.3-7A
- MIPAS L2 processing aborted

OFL
NRT
06/08/2003
23/07/2003
4.57               NRT
OFL
18/03/2003
05/03/2003

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