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Nov 15, 2007, 02:52 PM
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Magnetometer terrorism

So the magnetometer was significantly out of calibration again in the X & Z directions. The Y direction was untouched. The dumpy apartment is packed with very large magnets from our magnetic levitation days.

uBlox is supposed to have a new GPS module in December. This one uses 50 satellites, a factor which will be useful when Europe has its own constellation. Accessing the European constellation requires the $120 module.

Looks like success with the 0.003 accelerometer weighting may have been luck. Need to focus on acceleration from GPS.
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