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A comment on Time Card and PTP on a Raspberry Pi Compute Module 4. Parent comment

Re:Time Card and PTP on a Raspberry Pi Compute Module 4 by dkarp on Friday September 03, 2021 @05:26AM (#28402061)
For non-professional setups, if you have a decent GNSS module/antenna then near a window works fine.

I built a clock with a GNSS module and it gets enough of a signal by the window to keep time fine but I wouldn't rely on it.

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Re:Time Card and PTP on a Raspberry Pi Compute Module 4 by magicalhippo on Friday September 03, 2021 @08:09AM (#28403096)
Same. Mine is in a basement, and didn't get any reception with the included tiny antenna. Bought one of those active antennas shaped like a small puck, and place it near the ground-level window. Worked like a charm.
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