National Survey Program

Duration: 1972-2007
Aircraft: fixed wing aircraft
Line kilometres: about 65,000 per year
Altitude: 30 - 40 meters
Line spacing: 200 meters
Financed by: State of Finland
Value: Annual value USD 1,59 - 1,69 million.
Final products: Line and gridded data. Hardcopys (profile, contour and colour maps) on different scales. Numerical data from archives. Image processing for interpretation available.