Sentinel-3 SRAL Level 2 Marine products in BUFR format available soon

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SRAL Level 2 Marine products in BUFR will be distributed on EUMETCast and on the GTS from 23 May.

Thursday, 16 May 2019

Sentinel-3 SRAL Sea Level Anomaly

The products, from Sentinel-3A and -3B, are in near real-time (NRT) timeliness.

This zipped spreadsheet provides the correspondence between the Sentinel-3 SRAL L2 Marine netCDF format ( SRAL Altimetry Global in NRT — Sentinel-3) and BUFR format.

The BUFR data descriptor sequence comes in several sections. The order for these is as follows:

  1. General data descriptors
  2. 1 Hz C Band data descriptors
  3. 1 Hz Ku Band data descriptors
  4. 1 Hz Ku Band data descriptors PLRM
  5. 20 Hz Ku Band data descriptors

The products will be distributed on EUMETCast Europe on the High Volume Service Transponder 2 (HVS-2):

For Sentinel-3A files:
Channel: E2H-S3A-06
PID: 610
Multicast address: 224.223.224.12

For Sentinel-3B files:
Channel: E2H-S3B-06
PID: 610
Multicast address: 224.223.224.13

Example filenames:
W_XX-EUMETSAT-Darmstadt,SURFACE+SATELLITE,S3A+NRT_C_EUMS_20190210123927_003_039_065_20190210104536.bin
W_XX-EUMETSAT-Darmstadt,SURFACE+SATELLITE,S3B+NRT_C_EUMS_20190210122643_003_019_309_20190210140149.bin

Frequency: 9-11 files/orbit (140-150 files/day) (for each satellite)
Average file size: 400KB

The products will also be distributed on the GTS:

Bulletin headers: Sentinel-3A: ISZX[11-15] EUMS
Sentinel-3B: ISZX[16-20] EUMS

Users already subscribed to SRAL Level 2 NRT products via EUMETCast will receive the BUFR format product automatically. Other users wishing to receive this product should register via our Earth Observation Portal (EOP).

For more information, contact our User Service Helpdesk.

 
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