Problem:
During sensor trajectory processing, POSPac fails with an unexpected error if a Trimble R12i base station T04 file is used, showing the error, "Error in 81196f9b39144c98ad71538c0c437545STDERR bpointID Parameter name Could not set the base station position because a station with ID DEFAULT was not found in the project. Batch error project ... failed to process check log".

Probable Resolution #1:
Disable the INS on the Trimble R12i
Before using the Trimble R12i as a base station, disable the INS. Once that is done POSPac will accept the base station file in either the T04 or RINEX format.
How to disable the INS:
Information extracted from the Trimble R12i user manual, page 43.
Receiver Configuration menu
Use the Receiver Configuration menu to configure such settings as elevation mask and
PDOP mask, the reference station position, the reference station name and code, and to
enable or disable INS.
Probable Resolution #2
To configure your Trimble R12i to output T02 files instead of T04 files, you can follow these steps:
-
Connect to the R12i's Web Interface:
- Ensure your mobile device or computer has Wi-Fi enabled.
- Open a web browser and connect to the R12i's web interface using its IP address (typically
192.168.142.1
).
-
Access Data Logging Settings:
- Navigate to the Data Logging section.
- Click on Default under the Data Logging menu.
-
Change File Format:
-
Enable Automatic Logging (Optional):
- You can enable automatic logging so that every time the unit is turned on, it starts logging a static session automatically[1].
Unfortunately, Trimble Access does not currently support forcing the R12i to log T02 files directly from the controller[1]. However, using the web interface is a reliable workaround.
If you need further assistance or have any questions, feel free to ask!
References
Probable Resolution #3
Convert the Trimble R12i T04 file to RINEX
Another option is to convert the T04 file to RINEX, which POSPac will then accept as the base station file.
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