Transcription of GPS Altitude vs Pressure Altitude - Borgelt Instruments
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GPS Altitude vs Pressure Altitude - Borgelt Instruments
GPS Altitude vs Pressure AltitudeThere seems to be a lot of misunderstanding in the soaring community about the difference betweenGPS Altitude and Pressure Altitude so I've written this article to make it clear what both are andwhat differences you can expect to see. It is by no means a complete discussion, just a simpleexplanation of the 's begin with a 3D fix (latitude, longitude, Altitude ) at least 4 working satellites need to be in view of the GPSreceiver antenna. For any reasonable accuracy to be achieved at least one satellite should besomewhere near the vertical, overhead. Fortunately 30 or so GPS satellites make up theconstellation and this condition is usually easily fulfilled, especially in a glider cockpit where theview of the sky is essentially unobstructed.
GPS Altitude vs Pressure Altitude There seems to be a lot of misunderstanding in the soaring community about the difference between GPS Altitude and Pressure Altitude so I've written this article to make it clear what both are and
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