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Re: [Paparazzi-devel] Differential GPS through Paparazzi (James Maday)

From: marcus.wolschon
Subject: Re: [Paparazzi-devel] Differential GPS through Paparazzi (James Maday)
Date: Tue, 17 Mar 2009 10:10:26 +0100
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Hello James,

what would be the source for the differential signal?
Do you suppose to get it throught the uplink from
the GCS, some kind of local receiver on the AP or
some kind of network-device on the AP?


On Tue, 17 Mar 2009 00:54:09 -0500, James Maday <address@hidden> wrote:
> Hello Paparazzi fans-
> I'm working with a team developing a UAV which will very soon employ the
> Paparazzi Autopilot (AP) for navigation.  We have only just begun
> programming our airframe.xml, but before we get far I'm hoping to answer
> this feasibility question: is differential GPS (DGPS) usable by the
> Paprazzi
> system for altitude measurement?
> I've searched the mailing list and didn't find any previous talk of using
> DGPS with Paparazzi, so I figured I'd poll the audience to see if anyone
> has
> tried and can offer advice.  Thank you very much!
> To answer my question here are some basic project details.  The UAV must
> maintain 10-15 feet (roughly 3 - 4.5m) above the ground following
> predetermined waypoints for 10 hours.  We have two sets of the TWOG with
> LEA_5H GPS device from PPZUAV.  We are using a laptop w/ Intrepid Ubuntu
> Linux for the GCS.  An example of a UAV that uses DGPS in its AP is the
> ScanEagle by Insitu/Boeing.  (
> )
> -James Maday
> St. Louis, MO

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