You can download the Interface Control Document ICD200 at:
http://www.navcen.uscg.gov/pubs/gps/icd200/default.htm
The document includes, among many other items, the code generation
methodology for the GPS system. It shows the shift registers and gate taps.
Sincerely,
John WA4WDL
--------------------------------------------------
From: "Joe Leikhim" <[email protected]>
Sent: Wednesday, February 16, 2011 2:27 PM
To: <[email protected]>
Subject: [time-nuts] PN sequence generation using GPS
Can anyone direct me to information regarding using shift registers to
generate PN sequences using 1 pps and 10 MHz clock from GPS? Specifically,
I believe there is a relationship between the number of stages, the period
of reset (1pps) and the clock speed.
How would I figure this out to keep two such systems in phase etc?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
[email protected]
407-982-0446
WWW.LEIKHIM.COM
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