Professor Todd mentions that Elon had a tweet about it last Oct. But I have not seen it. Hesham Hesham On Fri, Jun 23, 2023, 9:50 AM contact@olegkutkov.me wrote: > > No reaction from SpaceX or Elon > > On 23 Jun 2023, at 19:15, Hesham ElBakoury via Starlink < > starlink@lists.bufferbloat.net> wrote: > >  > What was Elon Musk reaction to this research? > > Hesham > > On Fri, Jun 23, 2023, 9:12 AM David Fernández via Starlink < > starlink@lists.bufferbloat.net> wrote: > >> I think that paper has already been discussed in this list. It >> appeared in the news a while ago: >> https://www.theregister.com/2022/10/24/starlink_signal_decoded_for_use >> >> Regards, >> >> David >> >> > Date: Fri, 23 Jun 2023 06:17:08 -0700 >> > From: Joe Hamelin >> > To: Hesham ElBakoury >> > Cc: starlink@lists.bufferbloat.net >> > Subject: Re: [Starlink] Signal Structure of the Starlink Ku-Band >> > Downlink >> > Message-ID: >> > > HGeGe39vAKTeG5RHBxSgioccOj+R4Nt7yeA@mail.gmail.com> >> > Content-Type: text/plain; charset="utf-8" >> > >> > Most interesting: >> > >> > " VIII. CONCLUSIONS We have developed and applied a blind signal >> > identification technique to uncover the frequency- and time-domain >> > structure of the Starlink Ku-band downlink signal. We further identified >> > four synchronization sequences that can be used to *passively exploit* >> > Starlink signals for pseudorange-based positioning, navigation, and >> timing >> > (PNT), and explicitly evaluated two of these. The results in this paper >> > illuminate the *path to use of Starlink signals as a backup to >> traditional >> > GNSS* for PNT." >> > >> > On Fri, Jun 23, 2023 at 6:09 AM Joe Hamelin wrote: >> > >> >> >> >> >> https://radionavlab.ae.utexas.edu/wp-content/uploads/2023/01/starlink_structure.pdf >> >> >> >> Here's the PDF. >> >> >> >> On Fri, Jun 23, 2023 at 2:55 AM Hesham ElBakoury via Starlink < >> >> starlink@lists.bufferbloat.net> wrote: >> >> >> >>> Has anyone looked at this paper (Signal Structure of the Starlink >> >>> Ku-Band Downlink) by Todd E. Humphreys ? This paper will be published >> in >> >>> IEEE Transactions on Aerospace and Electronic Systems. Are there other >> >>> research efforts which try to do the same? >> >>> >> >>> Thanks >> >>> >> >>> Hesham >> >>> >> >>> >> >>> _______________________________________________ >> >>> Starlink mailing list >> >>> Starlink@lists.bufferbloat.net >> >>> https://lists.bufferbloat.net/listinfo/starlink >> >>> >> >> >> >> >> >> -- >> >> -- >> >> Joe Hamelin, W7COM, Tulalip, WA, 360-474-7474 >> _______________________________________________ >> Starlink mailing list >> Starlink@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/starlink >> > _______________________________________________ > Starlink mailing list > Starlink@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/starlink > >