I used the example position on demand application that is available in the documentations. This was working on the MangOH red with LAF 17.07 using an active antenna (passive antenna was pants). But since migrating to 17.10 I can no longer get a fix. What has changed in the positioning components? I …

[image] mohamid: I used the example position on demand application that is available in the documentations. This was working on the MangOH red with LAF 17.07 using an active antenna (passive antenna was pants). But since migrating to 17.10 I can no longer get a fix. What has changed in the posit…

Didn’t go though the lot but this is what looks out of place so far AT!GPSSTATUS? Current time: 2017 12 28 3 22:32:30 2017 12 28 3 22:30:35 Last Fix Status = FAIL, FAILCODE = 9 2017 12 28 3 22:31:35 Fix Session Status = ACTIVE No TTFF available OK

I had done no other software modifications other than update the LAF so it was my primary suspect. it could be the hardware, but the same response is being shown on two mangOH Red boards

So you never get a fix or dont get a fix as quickly as before? Do you have clear visibility to sky?

no I don’t get fix at all. Yes I have clear sky. I have tried it on two different boards

Mohamid, I have just plugged my unit in and it started working happily with 17.11 (again very little difference between 17.10 and 17.11). Things to double check. Bias voltage on the antenna connector to make sure the LNA is actually running. How are you starting the GPS session? Mine is set t…

Unable to get Positioning fix with LAF 17.10

mangOH Red

asyal December 28, 2017, 9:15pm 2

Have you tried with AT commands as mentioned in this post

There should really be no change between 17.07 and 17.10 that might cause this issue.

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Unable to get Positioning fix with LAF 17.10

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