GPS Values From INS app appear quantized

I recently set up an INS system using the openIMU300za and upon initial testing noticed the GPS values appear quantized to fixed ~1.5 meter increments.
Is this an expected result of an algorithm running on the unit and something I can turn off?

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Andrey Bondarev's answer fixed the rounding of GPS points. The device works as expected now

OpenIMU300ZI INS 1.1.0

Which firmware version you are testing, the INS appliaction?

As a workaroung please change line 350 in the file lib\Core\UARTComm\CommonMessages.c to next:
pld->pos[i] = dData[i];
This will be fixed in next release
Also binary image with this fix will be published on aceinna developers website.

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