Re: APCC Temperature readings

S Berrada


Based on my limited research, it seems that temperature will have a bigger impact on refraction than barometric pressure - this is because of the magnitude and rapidity of change.

Both are important to input in APCC, but accurate temperature seems the most important.


Refraction increases approximately 1% for every 0.9 kPa increase in pressure.  Similarly, refraction increases approximately 1% for every 3 °C decrease in temperature

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