• CEOS-WGCV - SAR Subgroup
  • The Committee on Earth Observation Satellites
  • Working Group on Calibration and Validation
  • Synthetic Aperture Radar Subgroup
Target Group: BGS Corner Reflectors
Maintainer
Alessandro Novellino
Contact Details

Alessandro Novellino (alessn@bgs.ac.uk)
BGS British Geological Survey
United Kingdom

Description

1) Hollin Hill
Target ID – HH1/HH2/HH3/HH4/HH5/HH6
Latitude (following the ID order) 54.111466/ 54.111268 / 54.111108 / 54.110957/ 54.11068/ 54.110377
Longitude (following the ID order) -0.960136 / -0.959929 / -0.959806/ -0.959893/ -0.959787 / -0.959411
Compass heading of bottom panel – 350 degrees from the North
Inclination – 30 degree from the horizontal surface
Size of each side – 0.76 m
Open side facing – west
Type – trihedral
General Location: Hollin Hill, Yorkshire, United Kingdom
Date last inspected: 30/10/2019
wavelength that the reflector is intended for: 0.56m (C-band) perforations (if any) size and density: no perforations

 

2) Herstmonceux - they are two in the same location just facing different directions for the ascending and descending geometry
Target ID – HRST01/ HRST02
Latitude: 50.867386/ 50.867386
Longitude: 0.335725/0.335725
Compass heading of bottom panel – 350 degrees from the North for the one oriented towards the ascending geometry and 10 degrees from the North for the one oriented towards the descending geometry
Inclination – 20 degree from the horizontal surface
Size of each side – 1 m
Open side facing – west for the one oriented towards the ascending geometry and east for the one oriented towards the descending geometry
Type – trihedral
General Location: Herstmonceux, East Sussex, United Kingdom
Date last inspected: 4/3/2020
wavelength that the reflector is intended for: 0.56m (C-band) perforations (if any) size and density: no perforations

 

3) Keywort - they are two in the same location just facing different directions for the ascending and descending geometry
Target ID – KWRT
Latitude: 52.879936
Longitude: -1.080353
Compass heading of bottom panel – 350 degrees from the North for the one oriented towards the ascending geometry and 10 degrees from the North for the one oriented towards the descending geometry.
Inclination – 20 degree from the horizontal surface
Size of each side – 0.65 m
Open side facing –east for the Sentinel-1 descending geometry
Type – trihedral
General Location: Keyworth, East Midlands, United Kingdom
Date last inspected: 23/06/2020
wavelength that the reflector is intended for: 0.56m (C-band) perforations (if any) size and density: no perforations

 

4) Hatfield Moors (HM)- three corner reflectors in the same location
Target ID – HM1, HM2 and HM3
Latitude, Longitude: 53.53881, -0.95675 for HM1; 53.53474, -0.95568 for HM2 and 53.55087, -0.94104 for HM3
Compass heading of bottom panels: 350 degrees from the North for the all of them (oriented towards the ascending LOS).
Inclination – 25 degree from the horizontal surface
Size of each side – 1 m
Open side facing –west for all of the (oriented towards the ascending LOS)
Type – trihedral
General Location: Hatfield Moors, Yorkshire, United Kingdom
Date last inspected: 27/12/2020
wavelength that the reflector is intended for: 0.56m (C-band) perforations (if any) size and density: each reflectors has been fixed to the terrain with two 0.5m long ‘hurricane ground anchor' screws.