<br><br><div class="gmail_quote">On Feb 7, 2008 7:18 PM, Keith VE7GDH <<a href="mailto:ve7gdh@rac.ca">ve7gdh@rac.ca</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>Wouldn't the APRS speed and heading be the direction the GPS receiver<br>was travelling?</blockquote><div><br>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...<br>
<br>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 reverse.<br></div></div><br>-Jason<br>kg4wsv