HamTV Experiment on-board ISS

摘要

Scope of this paper is to present an experiment of digital video transmission from theInternational Space Station. It could be a challenging experiment for amateurs interested intelevision tests and a complement of the half-duplex voice link carried out within the ARISSschool contacts activities.The paper will start with the process of identification of the most suitable frequency band and ofthe standard technology for a video transmission (Analog or Digital) and will proceed with theidentification of the most suitable commercial off-the-shelf (COTS) hardware as a solution for theimplementation of the payload.First lab experiments results will be also presented as well as an architecture of the receivingearth station.The payload is intended to be embarked on the Columbus module of the ISS where an amateurstation will be installed and operated. It will use the VHF/UHF and S-Band antennas alreadyplaced outside the European module.