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by bananaowl 6 days ago
Iridium has launched its own alternative positioning and timing system now https://www.iridium.com/iridium-pnt
2 comments
throw0101a 6 days ago
GPS L1 is at 1575 MHz, Iridium is (AFACIT) at 1626 MHz: that's 50 MHz over.

* https://gssc.esa.int/navipedia/index.php/GNSS_signal

* https://insidegnss.com/something-old-something-new/

* https://en.wikipedia.org/wiki/Iridium_satellite_constellatio...

If you're jamming on L1 I don't think it's that much more difficult to jam a little bit over as well.

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actionfromafar 6 days ago
It's wild how far Motorola has fallen.
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