It quickly became apparent that the digital image data, acquired by the MSS Multispectral Scanner instrument, a whiskbroom scanning device, were of great value for a broad range of applications and scientific investigations. Therefore, the focus shifted to the Multi-Spectral Scanner section 4. Evolving from analogue to digital Early Landsat satellites 1—3 carried a Return-beam Vidicon RBV instrument based on proven television-based technology and a newly developed multispectral scanner system MSS. Three coaligned cameras. Multispectral data: Spectral data acquired in more than three wavelength bands of the electromagnetic spectrum.
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