Monthly Archives: August 2011

New National Digital Elevation Model (Ny Nationell Höjdmodell)

Lantmäteriet, the Swedish Land Survey, is preparing a new national Digital Elevation Model (DEM), called, in Swedish, the Ny Nationell Höjdmodell (NNH). In English this is being referred to as the New National Elevation Model. The NNH will be produced … Continue reading

Posted in Environment, GIS, Misc. Information, Remote Sensing, Uncategorized | Tagged , , | Leave a comment

Radartools (RAT): SAR freeware of the highest order

I work a lot with synthetic aperture radar (SAR) data. SAR imagery requires some demanding image processing, not least to ameliorate image speckle and correct for topographic distortions. Polarimetric SAR (polSAR) utilizes four transmit-receive configurations (HH,HV,VH and VV) allowing us … Continue reading

Posted in Misc. Information, Remote Sensing, SAR | Tagged , | Leave a comment