STAI is the Spanish acronym for the digital data analysis system for information processing from Multispectral sensors of LANDSAT satellites, or, from the Multispectral Multiband Scanner System (Sistema Multiespectral para Obtencion de Informacion - SAMPOI) which the National Commission on Space Research (Argentine Republic) has installed at the Vicente Lopez Teleobservation Center (Centro de Teleobservacidn Vicente Lopez).

The STAI can be included among the digital processing systems called as interactive, having a great input and output diversification, but also having pre-processing capacity since it can convert HDDT, High Density Digital Tapes, from the SAMPOI Scanner into CCT, Computer Compatible Tapes.

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