Requirements for terrain data
{"Image DocumentName": "Requirements for terrain data", "Image ImageDescription": "Not intended to use TCA-correction in RRC calculations. heff values should be provided by administrations. Terrain data could be used to provide heff values. Ground cover data (urban, open) not necessarily needed. Type of propagation path, such as land, sea or mixed land-sea paths can be derived from digital maps, such as IDWM. Information on cold sea/warm sea divisions and geographic data for other propagation areas are needed.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}