DGPS in APM/Pixhawk

I have used Pixhawk to fly my fixed wings for several months. Now I want to install and use DGPS to it.

Has someone here tried to put a DGPS on it? What are the steps to achieve that and what would be the least cost? I don't have a lot of money to spend on it but I can spend time to achieve that. Is there any published existing way to do that?

You need to be a member of diydrones to add comments!

Join diydrones

Email me when people reply –

Replies

  • Pierre,

    Just below 1000 USD, but GPS RTK solution. Should be able to cover 1000m

    RTK Piksi - Swift Navigation

  • If you're using the gov provided DGPS signals, then the DGPS receiver would sit in the vehicle and be wired to the gps. So you don't have to send anything.

    Or if the the DGPS receiver is just too big, maybe you could rebroadcast the output of the receiver direct to the gps using a wirless serial link like we use for telemetry. Could be sketchy.
     
    If you want your own DGPS base station, like the transportable unit shown in the Wiki article, then no, I don't suppose $1000 would cover it.

    • How much, would you think, could do it in the own DGPS base station way? More than 5000 USD?

      • I tried and didn't find out the pricing information of DGPS base station. Which website could I grab this kind of information?

  • HI Pierre,

    Not much info, I'm afraid, but I'm very interested in this topic.  I can see the regional DGPS ground station from where I live.  I assume you're talking about ground based systems and not SBAS.  As in: http://en.wikipedia.org/wiki/Differential_GPS.

    You need a receiver that pulls in the signal from the ground station at around 300 kHz (that's a "k") and sends it over the serial line to the GPS receiver.  Protocol is known as RTCM. My Ublox, for example, will accept this data and use it to correct the position in real time. 

    But finding a small, cheap, stand-alone receiver seems a challenge. You'd think we could build just a board, maybe using a software-defined radio (but here I 'm getting in a little over my head).

    Cheers,

    Colin

     

    • Yes. I'm asking about ground based systems not SBAS.

      What would be the minimum cost of such a system? Below 1000 USD? My UAV won't fly more than 1000 meters away from the ground station. So I might need less powerful ground station signal to GPS.

  • waiting for the reply...

    • waiting for reply....

      • waiting for reply....

This reply was deleted.

Activity

DIY Robocars via Twitter
RT @chr1sa: On May 22, we're returning to in-person AI @DIYRobocar racing at @circuitlaunch. The Amazon @awscloud DeepRacer team will be pr…
5 hours ago
DIY Robocars via Twitter
RT @breadcentric: On my CV: Hobbies: Training bananas to race on tracks #AWSDeepRacer #DeepRacer https://t.co/MKe14hNyux
5 hours ago
DIY Robocars via Twitter
RT @breadcentric: See how the April AWS DeepRacer races have ended and a couple bits of news: https://blog.deepracing.io/2021/05/09/aws-deepracer-league-2021-update-11-end-of-april-special/ #AWSDeepRacer #Machin…
Monday
DIY Robocars via Twitter
RT @sunilmallya: Representation Learning +Instance Transfer to learn new reward functions along with advantage based filtering of new exper…
Monday
DIY Robocars via Twitter
Apr 27
DIY Robocars via Twitter
Apr 27
DIY Robocars via Twitter
RT @f1tenth: Sliding (autonomously) into the weekend like ... 🤖😎 #f1tenth #robots #AutonomousVehicles @OpenRoboticsOrg @NVIDIAEmbedded @Aut…
Apr 25
DIY Robocars via Twitter
RT @chr1sa: One of the problems with autonomous car racing is that watching software drive is not a very exciting spectator sport. To help…
Apr 25
DIY Robocars via Twitter
RT @SmallpixelCar: Replaced AGX Xavier with @NVIDIAEmbedded Jetson Xavier NX. Now both cars look fast and clean https://t.co/jlcoY2EjZf
Apr 25
DIY Robocars via Twitter
RT @chr1sa: Yesterday we had a record number of competitors (36) in our monthly @DIYRobocars virtual autonomous car race. We kept it going…
Apr 25
DIY Robocars via Twitter
Apr 16
DIY Drones via Twitter
RT @chr1sa: After more than a year of only virtual races, @DIYRobocars returns to the newly renovated @circuitlaunch on May 22 for the resu…
Apr 11
DIY Robocars via Twitter
RT @DAVGtech: And now available with LiDAR 🔥 https://twitter.com/Heavy02011/status/1381137016381964293
Apr 11
DIY Robocars via Twitter
RT @Heavy02011: #VirtualRaceLeague: @DIYRobocars Race #9 - #ParkingLotNerds #thunderhillracetrack, CA Join us for the next race April 24th,…
Apr 11
DIY Robocars via Twitter
RT @DWalmroth: Weather's finally cooperating, looking forward to racing 1:10 scale autonomous cars outdoors again! @diyrobocars, @NVIDIAEm…
Apr 7
DIY Robocars via Twitter
RT @AIDRI_: I finally succeeded in optimizing the trajectory and speed of a car on a #racetrack. Next step: implement a 2d controller and…
Apr 7
More…