Helsinki, Finland - ASAR, 1 July 2003

This Advanced Synthetic Aperture Radar (ASAR) multitemporal colour composite image shows an area of 100 Km swath width centred over the ice-covered Gulf of Finland that separates the countries of Finland (north) and Estonia (south). The image is made of three ASAR images acquired on different dates and assigning a colour ( RGB ) to each date (Red : 1 July 2003, Green : 7 January 2003, Blue : 22 April 2003). Visible landmarks are the city of Helsinski. (bright white area, center left) and the Vantaa Airport north of the city. Ice is visible on the bay as yellow patches on the Estonian side of the bay and blue green patches on the Finnish side.

Technical Information:
Instrument: Advanced Synthetic Aperture Radar (ASAR)
Date of Acquisition: Red : 1 July 2003, Green : 7 January 2003, Blue : 22 April 2003
Instrument features: Image Mode Precision (30 meter resolution)
ASAR Mode: Image Swath 2
Orbit Direction: Descending
Orbit number: 6975, 4470, 5973
ASAR Polarization: VV
Coordinates:
NW Lat/Long: N 60.36 / E 24.47

NE Lat/Long: N 60.22 / E 26.39

SE Lat/Long: N 59.32 / E 26.11

SW Lat/Long: N 59.46 / E 24.22