observed_altitudecurrent_time = altitudecurrent_time + noisecurrent_time
Try moving around the slider above to see the effect of noise on the observed altitude. The noise
is represented as percentage of the range of observable altitudes.
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For example, Garmin publishes the accuracy of its barometric altimeter readout as “10 feet with proper calibration” So, for example, if the altimeter reads 1000 feet, our actual altitude could be anywhere between 990 and 1010 feet.