The HamVideo digital Amateur Television (DATV) transmitter aboard the International Space Station (ISS) Columbus module recently ceased transmitting. The unit's indicators show it is functioning but its signal cannot be detected on the ground. The ARISS team's efforts to get the transmitter working again have been unsuccessful, thus far.

A series of steps are currently being undertaken to try to diagnose the problem. However, if an actual failure occurred, only a ground-based evaluation will fully diagnose the problem.

The ARISS International team is working diligently to bring HamVideo back to full operation as soon as practical. We have started coordination with our space agency partners and with our sponsors to expeditiously troubleshoot the issue on-board and, if necessary, troubleshoot and repair the device on the ground.

The HamVideo DATV transmitter has become a very valuable educational asset that astronauts enjoy employing as part of the ARISS connection. Astronauts Tim Peake, KG5BVI; Paolo Nespoli, IZ0JPA; and Thomas Pesquet, FX0ISS, regularly utilized HamTV to inspire students and educators during ARISS contacts scheduled as part of these astronauts' ISS missions.

Australian and European HamTV ground stations have been operational for receiving and distributing DATV signals from the ISS, and in the US, HamTV stations are under development. Several hams in Japan have set up ground stations that have received HamVideo.

Related Links
Amateur Radio on the International Space Station
VSAT News - Suppliers, Technology And Applications

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