The cause of the Safe Hold Mode was analysed and the decision to restart the mission have started. The current schedule foresee a Poseidon-3 restart on September 12th.

As reported in the previous status, operations have been restarted on 2013/09/09 with a reconfiguration (commanded from ground) on PM-B side of the spaceraft and an analysis of the memory. The on-board software patch has been uploaded again and executed during 3 orbits in order to check the memory through successive dumps; the results are very good because there is no RAM error on PM-B. This confirms the hypothesis that the safe hold is due to a simple Error Detection And Correction (EDAC) not corrected.

In front of this situation, the decision to restart the mission on PM-B has been taken by the operational team and the related activities have started. On Tuesday, 10th September, many subsystems (GPS, gyros, STR,..) have been restarted; so far, everything is going smoothly.

We should reach the NOM (nominal) mode by Wednesday, 11th September around 15:00 UT. Then the payload instruments will be switched ON.

The current schedule foresee a POS3 restart on September 12th around 12:00 UT, an AMR & GPSP restart the same day around 14:00 UT and the passengers the day after. Of course this schedule may be updated at any time if necessary.

Thierry Guinle of behalf of Jason-2 project managers from NOAA, EUMETSAT, JPL and CNES