Thread: Estimating Wind Speed with a GPS
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Old June 4th 20, 02:37 AM posted to rec.aviation.soaring
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Default Estimating Wind Speed with a GPS
On Wednesday, June 3, 2020 at 8:39:12 PM UTC-4, Dave Nadler wrote:
On Wednesday, June 3, 2020 at 7:33:52 PM UTC-4, weemacgregor wrote:
Is the speed at which a thermal drifts the same as the winds aloft?

No.

So then if a pilot, or glide computer, estimates the wind from the changing ground speed while circling in a thermal, is the wind speed underestimated?