GNSS positioning

Ask questions and find answers on Teseo GNSS positioning solutions. Discuss NMEA sentences, SBAS activation, and signal troubleshooting.

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Forum Posts

PSTMTTFF message format

Hi,Lately we have been studying the $PSTMTTFF message described in the ST Teseo III binary image - User manual (UM2399 Rev 4). We can see the output message from a Teseo III module (shown as below), however we cannot find relevant material regarding ...

Resolved! Teseo-Liv4F pinout confusion

While researching the GNSS module for my project, I got somewhat confused about the power connection of the LIV4F module due to inconsistent information in the manuals. The general recommendation is to run at 1.8V for optimal power consumption, but m...

Ikke by Associate
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  • 3 replies
  • 0 kudos

X-NUCLEO-GNSS1A1 / LIV3F enabling NMEA 4.10 possible?

Hello,I don't understand whether it is possible or not to enable NMEA 4.10 messages on the X-NUCLEO-GNSS1A1 / LIV3F. I'm currently testing it with the updated firmware version, as per $$PSTMVER,GNSSLIB_8.4.10.16.3_ARM*5E. This is confusing, because i...

SDi S.2 by Associate
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  • 0 replies
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TESEO-LIV3R standby command not working

Hi, I have a EVB-LIV3R board and I'm trying to command its power modes.To put the device on standby mode, it is declared that we can use the "#PSTMFORCESTANDBY,<time>" message, where <time> is the number of seconds (see UM2523). But when I try to do ...

KCerq.1 by Associate II
  • 1332 Views
  • 0 replies
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Teseo EVB-TAPP test mode

Currenlty working with Teseo EVB-TAPP test mode, My requirement is to find out the time period, from the sent RTCM test message,to the response from the device.. I could able to see the time of sent RTCM test message in ST Proprietary: AUX message,bu...

0693W00000bhIhHQAU.png
kmahe.1 by Associate II
  • 1073 Views
  • 1 replies
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TESEO LIV3R no coordinates

Hello. I've developed the board based on TESEO LIV3R module. I have successfully developed and debug code on X-NUCLEO GNSS1A1 and it get position from the GNSS receiver perfectly. When I run the same code on my board, I receive NMEA messages with 0. ...

AMoro.16 by Associate II
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  • 4 replies
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Teseo-LIV3FL only prints old output

The quesition is straight forward. Why my GNSS module only prints the old data (as you can see in the figure it prints data from 10 hours ago). Sometimes it also stops printing message for few minutes and then it'll repeat printing old messages.For d...

0693W00000Y9YtTQAV.png
AFidi.1 by Associate II
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  • 0 replies
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Teseo-LIV3F Crystal Has Cold Solder Joints

We are experiencing poor quality solder joints on our Teseo-LIV3F parts. When reflowing our boards, the Teseo-LIV3F's crystal is coming off.Our process requires that the board is baked twice, once per side. Since the Teseo-LIV3F's crystal often has w...