Differential GPS

Hi All, I don't know if it's something already experimented but I was wondering if it could be possible to implement some sort of differential GPS mechanism.

Basically if we could have two identical GPS, one airborne and the other positioned on a precisely know position and attached to the base station we could measure position error of the base station and transmit the error vector to the drone to be added to the on-board calculated position such enhancing accuracy.

Probably some technicality will have to be managed, for example we should lock the number of satellite to be considered on both units unless the two measure will not be comparable.

Does anyone has any experience about this? Is it something that makes sense?

Thank You very much,

             enrico

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Replies

  • It's been talked about recently.  You might search for "AGPS" to find the threads.

    It's certainly a good idea, but I don't think anyone's working on it at the moment.  

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