Re: Why does Garmin use semicirles for waypoint positions and radians for postion?
From: df (nospam_at_nospam.com)
Date: 11/29/04
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Date: Mon, 29 Nov 2004 20:50:26 +0100
"Bruce Stemplewski" <Bruce.Stemplewski@nospamstempsoft.com> a écrit dans le
message de news:uwuqd.2546$%R1.1960@trndny03...
> The Garmin protocol returns semicircles for the way point position but
> radians for position and PVT data position. Why the difference?
>
I think that the position & PVT data position transmission format was not
defined by Garmin, and Garmin had just to use this format as is, while they
could define their own waypoint format, and they used a representation
(semicircles) that give more accuracy out of the same number of bits.
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