On Monday 10 March 2008 13:01, Curtis Olson wrote: > On Mon, Mar 10, 2008 at 12:13 AM, Ampere K. <[EMAIL PROTECTED]> wrote: > > Here might be a possible way for you to remove those jumps. > > You will need two > > sets of observations. One on the plane of course, and one from > > the ground. > > For the one on the ground, you will also need to know the > > precise coordinates > > of the receiver beforehand. > > > > The two receivers will experience jumps in their observations > > simultaneously. > > Subracting the data from the ground receiver by its precise > > coordinates will > > give you the jumps, which you can use to subtract the errors > > from the observation of the plane. > > I'm not a gps guy, but I think differential gps systems work > based on the phase of the signal and the stations select a common > set of satellites for their solution. We actually have a person > a the UofMN working on a project where the two ends can be mobile > and the system computes the relative distance between the two > mobile station ... so you could plunk one end down at the end of > your temporary runway for doing virtual ILS/precision landings. > But that still doesn't fully resolve that the real world ground > elevation may not match exactly the elevation in FlightGear so > there will always be some kind of discrepancy when rendering real > flight data in a simulator ... especially when taxiing or > touching down. > > Regards, > > Curt.
It's a pity that Wiimotes don't have the necessary range:) LeeE ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
