Gregory's Server@meltedcheese @Kalshann Right, exactly, because if you lose antenna orientation the mission is dead no matter what.
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@gwynnion @meltedcheese @Kalshann I visited a major ground station in Europe once where they managed to rescue a satellite that had a software error in the attitude control system and was tumbling uncontrolled. They used their 32m dish and continuously sent out the software patch for about a week on highest power until it locked in by chance. Also got some first-hand reports on how they rescued XMM-Newton in 2008 after the RF antenna switch failed. Really fascinating stuff. |
@Kalshann @gwynnion …maybe. There have been difficult situations where all seemed lost and somebody said, “let’s try this.” For example, maybe another spacecraft could communicate with the one having a problem and act as a relay.