AbstractThe Finnish coast is covered with ice for three to six months a year. Since 1982 the Ice Service has used daily NOAA/AVHRR images to obtain the ice cover for the Baltic Sea. Images are recorded by the receiving station of the Finnish Institute of Marine Research. Ice charts are produced on the basis of NOAA/AVHRR and ground information and then sent to icebreakers. It would be most valuable to transmit digital satellite information directly to icebreakers and other ships, and hence in 1985 an image transmission experiment was carried out. In this experiment digital images were received in Tromsö, Norway, transmitted via Datex to Espoo, Technical Research Centre of Finland, rectified and enhanced and transmitted to icebreaker Sisu in real time using NMT mobile telephone network. At present a real-time data processing and transmission system for sea ice mapping is under development in Finland. Interpretation and transmission methods will be developed for NOAA/AVHRR and SAR data. Mobile telephone networks and/or geostationary satellites will be used in transmission. The developed methods will be used in the demonstration phase of the fast-delivery SAR data of the ERS-1 satellite.


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    Title :

    Real-time system for transmitting satellite data products to icebreakers


    Contributors:

    Published in:

    Publication date :

    1989-01-01


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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