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the EARS system is a Eumetsat project for data retransmission. 'EARS' means 'Eumetsat Advanced Retransmission Service'.
The object of the EARS system is to provide the European meteorological community with sounder data covering data-sparse areas, within 30 minutes of the instrument observations.
EARS comprises three separate polar satellite instrument data services:
- the existing EARS-ATOVS;
- the EARS-AVHRR;
- and the pilot EARS-ASCAT.
Each of the EARS services retransmits observations from an instrument, or an instrument group, and aims to provide a homogeneous service across the NOAA and Metop polar orbiting satellite platforms.
System Overview:
| satellite -> | NOAA KLM | NOAA NN' | METOP |
| EARS-ATOVS | HIRS/3 AMSU-A AMSU-B |
HIRS/4 AMSU-A MHS |
HIRS/4 AMSU-A MHS |
|---|---|---|---|
| EARS-AVHRR | AVHRR/3 | AVHRR/3 | AVHRR/3 |
| EARS-ASCAT | - | - | ASCAT |
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