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JoshDavisNC
Beginner
1,363 Views

Is VFR_HUD.heading based on magnetic north or true north?

I know how to determine the declination, but I don't know if I need to add it to the result from VFR_HUD or if that heading is already taking declination into account.

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5 Replies
idata
Community Manager
103 Views

Hello Josh,

 

 

Thank you for your interest in the Intel Aero drone.

 

Your request has been received and is currently being investigated.

 

We will get back to you as soon as possible.

 

 

Regards,

 

Octavian

 

idata
Community Manager
103 Views

Hello JoshDavisNC,

 

 

Could you please provide us some clarification/information regarding what your use case is, programs used (PX4 vs Ardupilot), and what code you are referring to?

 

 

 

Best regards,

 

Bogdan
JoshDavisNC
Beginner
103 Views

I'm running a program on the drone that uses PyMavlink to receive the VFR_HUD message, which tells me the heading in degrees, but it's not clear whether that heading value is based on magnetic north or true north.

idata
Community Manager
103 Views

Hello Josh,

 

 

After investigating your query I think this question is more appropriate for the px4 github community. In order to receive more info on this you can access the following link: http://discuss.px4.io/ discuss.px4.io .

 

Let me know if we can assist any further.

 

 

Best regards,

 

Casandra
JoshDavisNC
Beginner
103 Views

Thanks. I searched that forum and found that the px4 code is returning true north.

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