[time-nuts] RasberryPi, timing and GPS receivers

[Davis, Zach]

I have a similar setup and running now (minus the custom pcb) using a Venus638FLPx module from Sparkfun (~$50 + antenna).  The module was easy to configure and had a decent 1PPS output.  So far, everything is working (hardware-wise, I still have some NTP settings to tweak).  I have the 256MB version of the Pi and it seems to handle the load just fine.



Open Systems International, Inc.
  Zach Davis
   Software Development

   4101 Arrowhead Drive
   Medina, Minnesota 55340-9457
   Phone: 763 551 0559
   Fax: 763 551 0750
   E-mail: Zach.Davis at osii.com
   Website: http://www.osii.com/

-----Original Message-----

From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of xaos at darksmile.net
Sent: Tuesday, October 16, 2012 4:06 PM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] RasberryPi, timing and GPS receivers

Hello everyone,

I started a new project for myself where I would use the RasperryPi Linux board as a NTP server.

My goal is to design a custom board for the Pi and mount a GPS receiver on it. With this combination, I should be able to configure NTP for the Pi and thus have the Pi act as a Stratum 1 NTP server.

The new RasberryPI has 512MB memory so it should be fine for running just ntpd.

Question: What GPS timing module should I go with? No more Motorola Oncore so what's best right now? Who sell modules? What are the price ranges?

Your comments are most welcome.

-George, N2FGX


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