[AusNOG] GPS timesource

[James Baker]

I've done a similar thing with a Raspberry Pi

http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html


-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Serge Burjak
Sent: Thursday, 28 January 2016 10:59 AM
To: Greg <mclennan at internode.on.net>
Cc: ausnog at lists.ausnog.net; ausnog at libertysys.com.au
Subject: Re: [AusNOG] GPS timesource

http://www.ebay.com.au/itm/1PPS-USB-GPS-ublox-GR-8013W-for-NTP-time-server-GR-601W-replacement-/281917039829?hash=item41a390a4d5:g:I~kAAOSwsLtVfoVZ

"Compatible with Linux, FreeBSD with NTP & GPSD installed"

Serge

On 28 January 2016 at 09:42, Greg <mclennan at internode.on.net> wrote:
> I use a KT2000 GPS SNTP Timeserver(<$500) at work for a core router..
> KT2000pdf.
> I know there are way better units on the market, but bang for buck for 
> reasonable time accuracy it does the job.
>
> From a hobbyist's perspective. I'v been toying with  the idea to 
> utilize an Arduno board with a GPS & Network shield and write or adapt 
> some S/NTP code.. Should be do-able for around $100(less on ebay!), 
> but time and effort on the code will be the painful bit..
>
> https://www.arduino.cc/en/Main/ArduinoBoardUno
> https://www.arduino.cc/en/Main/ArduinoEthernetShield
> https://www.adafruit.com/products/1272
>
> and end up with something that may look like :
> http://files.hwkitchen.com/200000066-820df8307f/GSM%20Playground%20-%2
> 0stackable.jpg
>
>
> Regards
> Greg
>
>
> On 28/01/2016 9:10 AM, Paul Gear wrote:
>
> On 27/01/16 12:33, KIRN Paul (Powerlink) wrote:
>
> Hi All,
> As reported on Slashdot there have been observances of GPS time error 
> in the last 24 hrs (during Australia Day holiday here). With reports 
> from of a 13.7usec step change -  possibly coincidental with the 
> decommissioning of GPS satellite SVN23 (PRN32) on 25-1-15 or other 
> issues to with UTC correction parameters.
> http://it.slashdot.org/story/16/01/26/1735223/discrepancy-detected-in-
> gps-time 
> https://www.febo.com/pipermail/time-nuts/2016-January/095692.html
> http://www.navcen.uscg.gov/?Do=gpsShowNanu&num=2016008
>
> Wondering if any noggers have seen any alarms on your GPS receiver 
> time sources in the last 24 hours?
>
> As an adjunct question, what sort of hardware are you using for your 
> NTP stratum 1 sources (GPS, atomic, whatever), and are there any which 
> are in the affordable range for the hobbyist?
>
> Paul
>
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
>
>
>
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
>
_______________________________________________
AusNOG mailing list
AusNOG at lists.ausnog.net
http://lists.ausnog.net/mailman/listinfo/ausnog