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<div dir="auto">I can confirm that spoofing with “non-milspec” methods don’t seem to work against the receiver in the Starlink terminal. I tried with a HackRF and a USRP and it didn’t work, while an Android phone was spoofed fine. I was however able to jam the receiver with very moderate power levels and a sweep generated with a HackRF Portapack and patch antenna.</div>
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Best,<br />
<br />
Mike</div>
<div name="messageReplySection">On Jan 1, 2023 at 17:23 +0100, Benjamin Henrion via Starlink <starlink@lists.bufferbloat.net>, wrote:<br />
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<div dir="ltr" class="gmail_attr">Le dim. 1 janv. 2023 à 12:49, Oleg Kutkov via Starlink <<a href="mailto:starlink@lists.bufferbloat.net">starlink@lists.bufferbloat.net</a>> a écrit :<br /></div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br />
<br />
Starlink has a multisystem GNSS receiver with data filtering, so it<br />
can't be fooled with the single HackRF (i tested it).<br /></blockquote>
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<div dir="auto">Here they describe another method with gps jammers:</div>
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<div dir="auto"><a href="https://gpspatron.com/spoofing-a-multi-band-rtk-gnss-receiver-with-hackrf-one-and-gnss-jammer/">https://gpspatron.com/spoofing-a-multi-band-rtk-gnss-receiver-with-hackrf-one-and-gnss-jammer/</a><br /></div>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br />
I experimented with NMEA data injected directly into the Dishy operating<br />
system, so I can tell there is no way to cheat the system.<br />
Satellites know your location a wouldn't accept a connection from the<br />
client in an unexpected Cell. All connection slots for all clients and<br />
areas are scheduled.<br />
<br />
Besides this, Starlink requires valid and strict GNSS and 1PPS to sync<br />
the local clock, that's vital for the TDD system.<br />
<br />
<br />
On 1/1/23 13:18, Benjamin Henrion via Starlink wrote:<br />
> Hi,<br />
><br />
> Just wondering if you could pay less by pretending to be in Colombia<br />
> by spoofing gps sats with a HackRF board:<br />
><br />
> <a href="https://mobile.twitter.com/GeoffreyHuntley/status/1609490537484275712" rel="noreferrer noreferrer" target="_blank">https://mobile.twitter.com/GeoffreyHuntley/status/1609490537484275712</a><br />
><br />
> Best,<br />
><br />
> _______________________________________________<br />
> Starlink mailing list<br />
> <a href="mailto:Starlink@lists.bufferbloat.net" target="_blank" rel="noreferrer">Starlink@lists.bufferbloat.net</a><br />
> <a href="https://lists.bufferbloat.net/listinfo/starlink" rel="noreferrer noreferrer" target="_blank">https://lists.bufferbloat.net/listinfo/starlink</a><br />
<br />
--<br />
Best regards,<br />
Oleg Kutkov<br />
<br />
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