A few days ago, a long-time amateur radio satellite watcher Scott Tilley announced on Twitter that his automated L-Band receiver detected signal emissions from the old NOAA-2 satellite.
It is not too uncommon for old decommissioned satellites to start transmitting a signal again, you may be familiar with a similar phenomenon that’s happened to Transit 5B-5 or NOAA-9, and plenty other satellites. Happysat has a page on his blog documenting emissions like this, but note that it’s now out of date and the satellites shown there may no longer be active.
Read More https://sgcderek.github.io/posts/noaa2-revival/
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