[time-nuts] Re: Firmware WNRO fix for S300/S350 and XLi

[Tom Verbeure]

Using the same trick as Alex’s solution (giving a time hint), I also got my SyncServer S200 with Furuno GT-8031 working again with interposer hardware and firmware. 

The total cost is around $30 as well, but requires some experience with soldering 0603 resistors and connectors with a 1.27mm pitch. 

But it works great and it’s much cheaper than those $200 ublox replacements. 

Tom

> On Jun 1, 2024, at 5:47 PM, Gregory Beat via time-nuts <time-nuts at lists.febo.com> wrote:
> 
>    
> 
>   Microsemi released their notice on the SyncServers in 2022.
> 
>   Useful as background.
> 
>   One Florida eBay seller is upgrading units with a uBlox receiver.
> 
>   This audiophile / broadcast reseller was unaware of WNRO, a decade ago.
> 
>   —
> 
>   Customer Advisory Notice, August 1, 2022
>   [1]https://my.microsemi.com/AWelcome/SyncServer S2xx S3xx September 18
>   2022 internal week number rollover FSB v2.pdf
>   ==
>   Date: Thu, 30 May 2024 07:52:51 +0000
>   From: Alex Forencich <alex at alexforencich.com>
>   Subject: [time-nuts] Firmware WNRO fix for S300/S350 and XLi
>   To: time-nuts
>   As many folks on this list are probably aware, the GPS week number
>   rollover (WNRO) periodically causes older GPS receivers to misbehave.
>   One solution is to replace the problematic GPS module with a newer
>   one.
>   But many of these older modules will still work, they just need a bit
>   of
>   help, in the form of providing a hint about the current year.
> 
> References
> 
>   1. https://my.microsemi.com/AWelcome/SyncServer S2xx S3xx September 18 2022 internal week number rollover FSB v2.pdf
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe send an email to time-nuts-leave at lists.febo.com