BackForward Satellite: ERS-1 

Satellite details
Acronym ERS-1
Full name European Remote-sensing Satellite - 1
WIGOS Station Identifier ---
Satellite Description
  • 1st flight unit of the ERS programme.
  • Main missions: ocean observation.
  • Substantial contribution to land observation.
  • Significant contribution to Solid Earth.
Mass at launch 2384 kg Dry mass 2084 kg
Power 2000 W
Data access link no link provided
Data access information
  • Most products available from the PAFs (UK-PAF, D-PAF, I-PAF and F-PAF).
  • Several products available in Near-Real-Time.
  • Product of meteorological interest available on the GTS through the Regional Telecommunication Hub (RTH) of Rome.
Orbit Sunsynchronous orbit Altitude 785 km
ECT 10:30 desc


Space agency ESA
Status Inactive
Details on Status
(as available)
  • PRARE failed soon after launch.
Launch 17 Jul 1991 EOL 10 Mar 2000
Last update: 2022-05-13
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on ERS-1

Acronym Full name
AMI-SAR Active Microwave Instrument - Synthetic Aperture Antenna
AMI-SCAT Active Microwave Instrument - Scatterometer
ATSR Along-Track Scanning Radiometer
LRR Laser Retro-Reflector
PRARE Precise Range And Range-rate Equipment
RA Radar Altimeter
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
RA active 14 GHz - 13.8 GHz 0 MHz - Ku-band radar altimeter
ATSR/MWR passive 23.8 GHz 400 MHz - Water vapour channel (supporting altimeter)
ATSR/MWR passive 36.5 GHz 400 MHz - Window channel (supporting altimeter)
AMI-SCAT active 5 GHz - 5.3 GHz 0 MHz - C-band scatterometer
AMI-SAR active 5 GHz - 5.3 GHz 0 MHz - C-band SAR