https://thermal.kk7.ch/
"Unfortunately, traditional GPS devices and flight computers cannot show the thermal maps as rasterdata. Thermal hotspots, representing the center regions of high updraft probability, are a vectorized extract of the same data which can be uploaded to most devices. Pick a format suited for your device and limit the amount of hotspots such that they do not clutter your flight area. ..."
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, no seda ei juhtu kunagi. 
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