[time-nuts] Inexpensive modular gps with 1pps

Jim Lux jimlux at earthlink.net
Thu Nov 15 13:02:54 UTC 2012


On 11/15/12 4:30 AM, David J Taylor wrote:
> i just used this to with a raspberry pi with good success.
>
> https://www.adafruit.com/products/746
>
> james
> ===============================================
>
> It looks idea, James, but ... with the 15 mm square patch antenna it
> seems deaf compared to similar devices with 25 mm antennas.  Perhaps
> understandable, but I just bought one and it's been sitting for well
> over an hour and not yet acquired lock.  The device I bought from China,
> sitting next to it, has been happily locked for that whole period.  (As
> I'm running a test I don't want to unlock the other device).  Just a
> caveat for someone considering using these devices indoors - size matters!
>
> 25 mm antenna device:
>   http://www.satsignal.eu/ntp/NEO-6M-under-initial-test.jpg
>   http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html
>
> Cheers,
> David


ALl good ideas.. but I was looking more for something a bit more 
packaged.. like a hockey puck with wires coming out.




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