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38 lines
2.0 KiB
Markdown
38 lines
2.0 KiB
Markdown
---
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pageClass: is-wide-page
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---
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# VehicleMagnetometer (UORB message)
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**TOPICS:** vehicle_magnetometer
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## Fields
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| Name | Type | Unit [Frame] | Range/Enum | Description |
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| --------------------------------------------------- | ------------ | ------------ | ---------- | ---------------------------------------------------------------------------------- |
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| <a id="fld_timestamp"></a>timestamp | `uint64` | | | time since system start (microseconds) |
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| <a id="fld_timestamp_sample"></a>timestamp_sample | `uint64` | | | the timestamp of the raw data (microseconds) |
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| <a id="fld_device_id"></a>device_id | `uint32` | | | unique device ID for the selected magnetometer |
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| <a id="fld_magnetometer_ga"></a>magnetometer_ga | `float32[3]` | | | Magnetic field in the FRD body frame XYZ-axis in Gauss |
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| <a id="fld_calibration_count"></a>calibration_count | `uint8` | | | Calibration changed counter. Monotonically increases whenever calibration changes. |
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## Source Message
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[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/VehicleMagnetometer.msg)
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::: details Click here to see original file
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```c
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uint64 timestamp # time since system start (microseconds)
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uint64 timestamp_sample # the timestamp of the raw data (microseconds)
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uint32 device_id # unique device ID for the selected magnetometer
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float32[3] magnetometer_ga # Magnetic field in the FRD body frame XYZ-axis in Gauss
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uint8 calibration_count # Calibration changed counter. Monotonically increases whenever calibration changes.
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```
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:::
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