The ARGO-YBJ detector, currently under installation at the Yangbajing Cosmic Ray Laboratory (4300 m a.s.l.), exploits the full-coverage technique in order to study the astrophysical radiation at few hundreds GeV threshold. About 1900 m^2 of detector are presently in data taking for shower detection runs. First data have been analyzed with special emphasis on shower reconstruction. We report the main results and discuss the opportunity offered by such an apparatus to image the shower front.
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