[aprssig] Dumb tracker question
scott at opentrac.org
scott at opentrac.org
Sat Sep 30 16:35:05 EDT 2006
> Please explain that statement Scott, "For APRS purposes, it doesn't
> need to be accurate to more than a degree"! A degree in any purpose
> seems to be far out!! :-) What were you suggesting?
The heading calculation doesn't need to be more accurate than 1 degree,
because it's only reported to the nearest degree anyway. The standard ANSI
C trig functions work with double-precision floating point numbers (in
radians), which is way more precision than I need.
Scott
N1VG
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