GNSS Radar is a useful tool to predict the number of GPS satellite for a given position and for 24H. It give also a prediction of the H/V/D/GDop,

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Comment by Fnoop on March 22, 2015 at 4:38am

Absolutely brilliant, great job.  Don't suppose you have any plans to opensource it?

Comment by Bertrand Duchiron on March 22, 2015 at 7:48am

Hi, I am not the developer of this page, it`s Taro Suzuki a brilliant researcher who work on GNSS, UAV, ....

You can contact him at this email : gnsssdrlib<@>

Comment by Sylvain.M on March 22, 2015 at 8:21am


This tool below is free, i used it when i worked in a land surveyor office.

Almanachs GNSS:



Comment by Christian Stallings on March 25, 2015 at 9:18am

I certainly don't want to diminish what Taro Suzuki has done. We use the Trimble tool in traditional aerial remote sensing acquisition as well. What would be great however would be to integrate this into the ground station so that you know how long you might have to wait until you have a good P-DOP and how long that window is.


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