MSS_Scan

Technical diagram of the Multispectral Scanner System (MSS) scanning instrument showing internal components including filters, an oscillating scan mirror, and detector array (6 detectors per band, 24 total for 4 bands). Below the instrument is an illustration of the scanning pattern showing a 12° field of view creating a 115-mile swath width with 6 scan lines. Directional indicators show orbital flight path and scanning orientation (North, South, East, West).