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      Support Thread: Time Offset Between GPS Data and INS Data

      Posted by Will Dillingham on Aug 19, 2020 2:09:06 PM

      Purpose: To give insight for the potential user on a commonly seen misunderstanding in the difference between UTC and GPS timestamps.

      Last Updated: March, 2020



      I have found one issue that I am currently confused with. The timestamp recorded from COM1 of the INS is consistently 17-20 seconds fast. If I start recording at 00 seconds, the first timestamp is equal to 17+ seconds, however the location data that comes from the GPS receiver is correct for 00 seconds and not 17+ seconds. Any insights into this issue?

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      Topics: INS, GPS, Difference, UTC, Time, Offset, Position

      Regular Versus High Resolution (HR) Data

      Posted by Will Dillingham on Aug 19, 2020 10:30:05 AM

      Purpose: The purpose of this article is to show the difference in resolution values for Gyroscope, Accelerometer, Reference Altitude, Reference Position, GNSS Altitude, and GNSS Position data. The table below shows the units for the measurement and compares the maximum resolution for the corresponding data type for both Regular Resolution and HR Resolution. This applies to all Inertial Labs products (with exception of unit that does not contain GNSS receiver) unless specified otherwise.

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      Topics: MRU, AHRS, IMU, INS, OptoINS, OptoAHRS, Resolution, High, Difference, WOM, HR, Datatypes

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