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The solar system exploration by humans requires to successfully deal with the radiation exposition issue. The scientific aspect of\udthis issue is twofold: knowing the radiation environment the astronauts are going to face and linking radiation exposure to health\udrisks. Here we focus on the first issue. It is generally agreed that the final tool to describe the radiation environment in a space\udhabitat will be a model featuring the needed amount of details to perform a meaningful risk assessment. The model should also\udtake into account the shield changes due to the movement of materials inside the habitat, which in turn produce changes in the\udradiation environment. This model will have to undergo a final validation with a radiation field of similar complexity. The International\udSpace Station (ISS) is a space habitat that features a radiation environment inside which is similar to what will be found\udin habitats in deep space, if we use measurements acquired only during high latitude passages (where the effects of the Earth\udmagnetic field are reduced). Active detectors, providing time information, that can easily select data from different orbital\udsections, are the ones best fulfilling the requirements for these kinds of measurements. The exploitation of the radiation measurements\udperformed in the ISS by all the available instruments is therefore mandatory to provide the largest possible database to the\udscientific community, to be merged with detailed Computer Aided Design (CAD) models, in the quest for a full model validation.\udWhile some efforts in comparing results from multiple active detectors have been attempted, a thorough study of a procedure to\udmerge data in a single data matrix in order to provide the best validation set for radiation environment models has never been\udattempted. The aim of this paper is to provide such a procedure, to apply it to two of the most performing active detector systems\udin the ISS: the Anomalous Long Term Effects in Astronauts (ALTEA) instrument and the DOSimetry TELescope (DOSTEL)\uddetectors, applied in the frame of the DOSIS and DOSIS 3D project onboard the ISS and to present combined results exploiting\udthe features of each of the two apparatuses

Exploiting different active silicon detectors in the International Space Station: ALTEA and DOSTEL galactic cosmic radiation (GCR) measurements