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Dusk to dark flying
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<blockquote data-quote="Dronason" data-source="post: 9987" data-attributes="member: 553"><p>In general the described issue is a loss of altitude which is defined by barometer, not by GPS. </p><p>Solar activity could influence radio transmission, it is a fact. It could in theory also bring disturbance to electronic circuits, but it would need very high KP level which are very rare. </p><p>But in these days, electronic is designed to be more resistant to EMC, GPS receivers have improved algorithm and number of satellite have increased a lot.</p><p>I am using the android app "Solar Activity" that gives indication of KP and "UAV Forecast" that use KP to evaluate effective number of GPS satellites. I have never been able along these years to establish any relationship between flight issues and KP, with pilot errors, firmware bugs or hardware failure yes.</p></blockquote><p></p>
[QUOTE="Dronason, post: 9987, member: 553"] In general the described issue is a loss of altitude which is defined by barometer, not by GPS. Solar activity could influence radio transmission, it is a fact. It could in theory also bring disturbance to electronic circuits, but it would need very high KP level which are very rare. But in these days, electronic is designed to be more resistant to EMC, GPS receivers have improved algorithm and number of satellite have increased a lot. I am using the android app "Solar Activity" that gives indication of KP and "UAV Forecast" that use KP to evaluate effective number of GPS satellites. I have never been able along these years to establish any relationship between flight issues and KP, with pilot errors, firmware bugs or hardware failure yes. [/QUOTE]
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Dusk to dark flying