The IKONOS-2 satellite was launched in September 1999 and has been delivering commercial data since early 2000. IKONOS is the first of the next generation of high spatial resolution satellites. IKONOS data records 4 channels of multispectral data at 4 m resolution and one panchromatic channel with 1 m resolution (Table 7). This means that IKONOS is first commercial satellite to deliver near photographic quality imagery of anywhere in the world from space. Radiometric Resolution: Data is collected as 11 bits per pixel (2048 gray tones).

The applications for this data are boundless: in particular, it will be used for large scale mapping, creating precise height models for e.g. micro-cellular radio, and for every application requiring the utmost detail from areas which are inaccessible for aerial photography.

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