HMC5884L magnetometer axis orientation

pylon:
I hope this document will answer your questions:

http://www51.honeywell.com/aero/common/documents/myaerospacecatalog-documents/Defense_Brochures-documents/Magnetic__Literature_Application_notes-documents/AN203_Compass_Heading_Using_Magnetometers.pdf

Thank you amazingly very much :smiley: That's just what I've been searching for... so the answer to the question is that the orientation of the sensor's axis is north-east-down, quite different than the orientation of the MicroMag3 - south-west-down.