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kitteh
on Oct 20, 2020
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Nokia selected by NASA to build cellular network o...
They could use their own timing source, though? I recall back in the day being able to pull timing source off a circuit.
timdux
on Oct 20, 2020
[–]
Yes, that's the clock holdover circuit, usually built using a OCXO or double OCXO or rubidium clock. It's good for 4 to 24 hours. Example:
[0]
https://www.rakon.com/19-rak-product/rak-product-ocxo
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