[time-freq] motorola oncore not locking to the 1 pps

[Bobby]

Someone else will probably give you a better answer (hopefully).
I think the answer is going to in part depend on which model oncore you have.
I recall there is both a setable (and you have to write it out to gps to take effect) bit
controlling 1pps output. As well as later models having a setting for RAIM(?) minimum 
quality required before 1pps functions.

Sorry for such vague answers, it's been a while since doodling with the oncores. 

Bobby  k4bga
  ----- Original Message ----- 
  From: Geert Stams 
  To: TAPR time and frequency projects 
  Sent: Saturday, May 05, 2007 10:13 AM
  Subject: [time-freq] motorola oncore not locking to the 1 pps


  Hello!

  I have a motorola oncore GPS receiver which I am trying to get working 
  with a reflock version one.
  I am sure that the reflock circuit is working. But the unit will not 
  lock to the 1pps for an unknown reason. Well not completely unknown......

  Checking the GPS receiver with the winoncore software shows satellites 
  and nmea data on the screen. But only when switched to the NMEA 
  protocol. Nothing in the motorola protocol. Checking the options / 
  timing  button it shows the 1PPS being always switched "off" Problem is 
  that I am not able to switch it on. It will return immediately to the 
  "off" status when clicking the options / timing button.

  Is this the case of a partly broken GPS receiver? Or am I doing 
  something (terrible stupid) wrong?

  Looking forward in hearing your opinion.

  Have a nice weekend!

  Kind regards,

  Geert Stams (pa3csg)


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