Re: Firmware bugs on 76CSx (and probably on all C*x models): No Great Circle routes!



Terje Mathisen wrote:
It worked _very_ well, with the gps on the table (window seat on the north side) I got a continuous track from the point where we passed 10K feet on the way up until I had to turn it off for landing.

However, when doing it it became painfully obvious that the gps assumed a "direct" route, instead of the correct (and much shorter) great circle which all my previous gps'es have used!

Since your GPS was _tracking_ not routing, it was presumably logging where the aircraft was flying without concern for whether or not it was a great circle.

Perhaps the pilot was not flying a great circle due to storm avoidance and/or more favourable wind.

Ted
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