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How Can I Tell if My GPS Assets are Being Jammed?

Written by Jake Tannenbaum

Updated at September 30th, 2024

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Jamming/Interference In Telematics Guru Display on the Live View Check for Evidence of Jamming in Telemetry

Jamming/Interference In Telematics Guru

Alerting on GPS Jamming

Hard-wired devices are already configured to report jamming/interference by default. Setting up an alert allows users to be notified. Simply create an alert and select the input from the list. 

Note, these inputs may become active a bit more than you think. Other electrical signals may cause interference. So it might not be malicious operators with jammers each time you get an alert.
 

Display on the Live View

We can edit the I/O mappings to display if interference or jamming is detected on the live view

 

Check for Evidence of Jamming in Telemetry

Maybe we have some mysterious events where trips weren't recorded. We can check if the IOs are active in the telemetry.

In telemetry, there are 32 total bits. However, in binary, we start counting from 0, right to left, meaning we have bits 0-31. So working right to left 0, 1, 2, 3, 4, we can see bits 5 and 6 highlighted below. 

gps jamming asset monitoring

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