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[aprssig] ATV integration idea

Jason KG4WSV kg4wsv at gmail.com
Fri Feb 8 01:37:08 UTC 2008

On Feb 7, 2008 7:18 PM, Keith VE7GDH <ve7gdh at rac.ca> wrote:

> Wouldn't the APRS speed and heading be the direction the GPS receiver
> was travelling?

The GPS bearing is not necessarily the direction that the camera is
pointing.  If the camera was, say, fixed looking out the front of a car or
aircraft, they'd be the same.  If the camera was dangling underneath a
balloon, though, they're not...

Also, some GPS receivers lose sense of heading when they aren't moving, and
even those that do work are 180 degrees off if you happen to be traveling in

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