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 <nethead@gmail.com> 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

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Joe Hamelin, W7COM, Tulalip, WA, 360-474-7474