[time-nuts] GPS PRN 32

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Feb 8 22:07:59 UTC 2008


Tom Van Baak wrote:
> Which time-nut will be the first to see PRN 32 on Feb 19?
> I wonder what old GPS receivers won't be able to see it?
>
> This is from GPS World via NavtechGPS News...
> ----
>
> "The U.S. military announced earlier this week that GPS satellite SVN23,
> transmitting L-band code as PRN32, will be set to usable status on
> Feb. 19. This is notable for a couple of reasons, but namely because
> it is the first time that the PRN32 designation will be used by an
> operational, healthy GPS satellite. 
>
> GPS receivers initially were built to accommodate up to 31 satellite
> signals, and a PRN designated with the number 32 can't be tracked by
> some manufacturers' devices that look for PRNs numbered 0 through 31.
> The U.S. Air Force began testing the PRN32 designation late in 2006 -
> while SVN23/PRN32 was set to unhealthy and not included in the
> operational GPS constellation almanac, some all-in-view GNSS tracking
> stations received the L-band signal."
>
> http://sidt.gpsworld.com/gpssidt/content/printContentPopup.jsp?id=490027
>
> ----
>
> /tvb
>
>   
Tom

My Z3815A sees PRN 32 now albeit as unhealthy.

Bruce




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