CUTTAIA, FRANCESCOFRANCESCOCUTTAIATERENZI, LUCALUCATERENZI2023-02-142023-02-142012http://hdl.handle.net/20.500.12386/33456It was several times observed thet LFI28 channel shows very different values in the Main and Side arm. This note wants to investigate this feature trying to address at leas several of the many open questions regarding the origin of this beahvior and its possible causes.ELETTRONICOenResearch reportFIS/05 - ASTRONOMIA E ASTROFISICAERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation::PE9_17 Instrumentation – telescopes, detectors and techniques