• Correction of the CAL2 calibration provided in L1A products

• Correction of a calibration issue

• Evolutions
  • Correction of regular Missing GIM Iono correction orbit over all surfaces including ice sheets
  • Tuning of open sea-ice flag
  • Tuning of-ice sheet flag
  • Ice sheet snow facies classification using land cover ADF input instead of surface type
  • Sea-ice concentration computation improvement in coastal regions
• Various bug corrections

2.61 / 1.33

SR_1 06.17
MW_1 06.11
SM_2 06.18

• Evolutions
  • Bias update for SARM ocog and ice Sigma0 (SARMSigma0 – 10*log(64) dB) in L2 products
  • Improvement of the land ice range estimation
  • Addition of filtered dual-frequency ionosphere correction in products. SSHA now use this filtered ionospheric correction.
  • Improvement of low SARM SWH estimation
  • Improvement of strong Wind Speed estimation
  • Re-centering of the mispointing (ksi2)
  • DTU MSS updated to DTU2018
  • Improvement of WTC path delay close to the coast (MWR side lobe correction)
  • Update of the SCCDB for ocean range (+9mm on Sentinel-3B Ku-band range and +8.5mm on Seninel-3B C-band range)
• Corrections of Anomalies
  • Correction of the L2 global attribute for pass number
  • Correction of the geoid estimation provided in the L2 products (field "geoid_01")

21 January 2020

2.45 / 1.17

SR_1 06.16
MW_1 06.09

• Evolutions
  • Improvements in the L1B products regarding CAL2 flags
• Corrections of Anomalies
  • Hardcoded scale_factor and add_offset
  • Incorrect manifest on Level1 SRAL products
  • Acquisition station name is now reported in the netcdf product
  • The MW1 CAL processing exits without generating MW_1_MON_AX
  • IPF MW1 Initial Window size for NIR averaging used in DNB case
• The field acq_stat_l1b_echo_lrm takes a not permitted value (=2)

14-Feb-2019

2.43 / 1.15

SM_2 06.15

• Evolutions
  • Correction of several netcdf variable comments (enhanced measurement)
  • Improvement of the L2 sea ice freeboard (freeboard_20_ku)
  • Improvement of the interpolated sea ice sea surface height anomaly variable
  • Improvement of ALT_RET_ICE_05 algorithm parametrization
  • Improvement of Ice concentration parameter close to the coast
  • Improvement of the ocog retracked parameters in C-band
  • Improvement of the distance to the coast computation
  • New alpha_p LUT used in the ocean retracker (SAMOSA DPM2.5)
• Corrections of Anomalies
  • Correction of the global attribute "orbit_type" value when NAVATT orbit files are used to compute altitude.
  • Modification of the "rad_along_track_avg_flag_01" variable
  • Modification of the "noise_power_test_failed" variable
  • Separation of sea-ice and ice margin retrackers parameters in the L2 CONAX
  • Correction of the ALT_MAN_WAV_01 unit in S3__SR_2_CON_AX.xml

14-Feb-2019

2.33/1.13

SM2 06.15

• Evolutions
  • Inclusion of the SRAL acquisitions measurements in the SRAL L1 products
  • L2_CON_AX delivery to correct for sigma0 anomaly over ocean
• Corrections of Anomalies
  • 5 millimeter bias between zero-altitude dry tropo correction and measured dry tropo correction
  • SRAL L2 NRT products with zero duration
  • the field "ssha_20_ku" is always set to Fill Value in LRM mode
  • the field "elevation_ice_sheet_20_ku" is set very often to Fill Value in LRM mode
  • the field "elevation_ocog_20_ku" is set to Fill Value in LRM mode

06-Dec-2018

2.33

SM2 06.14

• Evolutions
  • Inclusion of the SRAL acquisitions measurements in the SRAL L1 products
  • L2 ground processor upgrade to manage the new MWR calibration timeline
• Corrections of Anomalies
  • 5 millimeter bias between zero-altitude dry tropo correction and measured dry tropo correction
  • SRAL L2 NRT products with zero duration
  • the field "ssha_20_ku" is always set to Fill Value in LRM mode
  • the field "elevation_ice_sheet_20_ku" is set very often to Fill Value in LRM mode
  • the field "elevation_ocog_20_ku" is set to Fill Value in LRM mode

04-Apr-2018

2.27

• SR_1 06.13
• MW_1 06.04
• SM_2 06.12

• Evolutions
  • Improvement of product quality over the land ice with the inclusion of a new parameter in the L2 products: elevation field derived from the OCOG retracker that provides a better coverage compared to the elevation derived from the ice sheet retracker that was already provided in the products.
• Corrections of Anomalies
  • Wrong values of SSHA over sea ice
  • SAR mode slope correction relocates echo position incorrectly
  • Numerical Overflow for the Waveform MQE Parameter
  • Numerical Overflow for the peakiness parameter

14-Feb-2018

2.24

• SR_1 06.12
• MW_1 06.04
• SM_2 06.10

• Evolutions
  • See Processing baseline product evolution
• Corrections of anomalies
  • Duplicated measurements at 10 minutes granule transition in L2 NRT products
  • Overflow of the Ku band atmospheric attenuation in the L2 products
  • Atmospheric attenuation to default values over edges of MWR calibration
  • SAR backscatter coefficient has an error correlated with radial velocity
  • Error in the manoeuvre flag
  • Error in Inverse Barometer correction
  • High level of retracker failure in continental ice sheets
  • Sea Ice discrimination identifying too many floes
  • Large negative values in elevation over ice sheet

13-Dec-2017

2.12

• SR_1 v06.11
• MW_1 v06.03
• SM_2 v06.07

• Corrections of anomalies
  • Error in bathymetry parameter
  • High level of retracker failure over in-land waters
  • Error in the OCOG retracker
  • GIM ionospheric correction not calculated for STC products

12-Apr-2017

2.10

• SR_1 06.10
• MW_1 06.03
• SM2 06.06

• Correction of anomalies MW_1
  • Issue on the computation of the gain during MWR calibration
  • Aligment with IPFP: navatt degradation flag (OIP-122)
• Correction of anomalies SR_1
  • Reduce number of points in SRAL L1 and SM2 footprint
  • Wrong CAL1 Power and Phase Burst Calibrations in STM SRAL L1A Products
  • New occurrence of L2 Measurement Processing task failed for PdR S3A_SM2 @PM3
  • Quantization of L1b-S Stack Power
  • Error in the Burst and Phase Power Calibrations in the SRAL L1b CAL1 Products
  • SR1 STC processing failed reporting "Out of Range error: vector::M_range_check"
  • S3A_SR1 PdRs in error due to Fatal error during Time correlation process
  • S3A_SR1 in error @CGS during CFI orbit interpolation failed
  • Orbit file reported in SR1 manifest is wrong
  • SRAL L1 (SR1) processor does not have compression enabled
  • SR1 Empty measurements
  • SR1 reference points processing failure
  • SR1 fails on leap second with 'Check the orbit: the number of bursts seen from satellite position is too high (301), while it should not be > 300
  • SR1 Pdr in error due to NAVATT input is not covering the processing windows
  • A list of minor anomalies in SRAL L1A products
• Correction of anomalies SM_2
  • Reduce number of points in SRAL L1 and SM2 footprint
  • SAMOSA look-up tables are not referenced in manifest L2
  • L2 task table: time initialization file types are not described

28-Feb-2017

2.9

• SR_1 06.09
• MW_1 06.02
• SM2 06.05

• Update of SM2 ADF
• Correction of anomalies
  • Wrong Values for the index field in the S3A STM L1A products
  • Wrong Values for the index field in the S3A STM L1A products
  • Wrong 'Contact' attribute in the measurement data file of S3 products

12-Jan-2017

2.6

• SR_1 06.07
• MW_1 06.02
• SM2 06.05

• Correction of anomalies

23-Nov-2016

2.5

• SR_1 06.06
• MW_1 06.02
• SM2 06.05

• Correction of anomalies

26-Oct-2016

2.1

• SR_1 06.04
• MW_1 06.02
• SM2 06.03

• Update of  SM2 ADF
• Correction of anomalies

1-Aug-2016

2.0

• SR_1 06.02
• MW_1 06.02
• SM_2 06.02

• Correction of anomalies
• Reduction of L1A product size