Invalid Vehicle Speed in the Report

An impossibly high speed in a report (e.g. 200 km/h) comes from GPS speed error in low-signal areas. Check the satellite count in the vehicle raw-data report — under 5 satellites means the speed is invalid.

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Shows: The Vehicle Raw Data report open under the Reports tab, with the satellite count column highlighted for the time an invalid speed was recorded.

Alt text: Vehicle Raw Data report highlighting the satellite count column

Cause and fix

My fleet was moving at a speed of 60 kmph today morning, but the report shows a speed nearing 200 kmph, please clarify.

For vehicles installed with GPS devices without a CAN-BUS connection, the vehicle speed is generated based on the GPS speed recorded in the device.

When the vehicle is plying along a low GPS signal area, it may generate invalid speed.

Please refer to the “Vehicle raw data report” available on the platform to check the satellite strength when an invalid speed triggered.

Step 1 Click Reports Tab

Step 2 Open “Vehicle Raw Data” Report

Step 3 Verify satellite count

Refer the satellite count received from device during the time invalid speed was displayed. If the satellite count is less than 5, then the speed generated would be invalid.

Related

• Generate fleet reports
• Set a speeding alert

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