There it would observe 80% of the sky for the Cosmic microwave background radiation in the frequency range from 20 to 100 GHz.

Apart from detecting large scale CMB polarization it will also provide maps of Galactic synchrotron emission at lowest frequencies.

The project was headed by Stefano Cortiglioni of the IASF-CNR in Bologna and completely funded by the Italian Space Agency.

Due to the project's reliance on the Space Shuttle, and the setback of the Columbia disaster, timely launch was unlikely.

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