Dancer documentation

How can GPS Dancer compute precise satellite orbits without needing any form of analysis centre?

You can find answers to such questions in a series of on-line articles, reference papers and links.

From here you can access a variety of background articles and links to external papers that explain in detail how GPS Dancer works.

GPS analysis

Dancer runs conventional batch least squares solutions, using the latest processing standards of the IGS and IERS.

Read more about the routine process

Distributed solution method

The distributed computation of global products, such as precise orbits, requires a special solution method for the normal equations.

Find out how the solution works

Network organisation

GPS Dancer forms a pure peer-to-peer network without any central elements. The network must be highly robust against anomalies.

Read about the network logic


Dancer has been presented in various formal papers, conferences and workshops. Some material can be found here.

Check out the published material  


The internet offers a wealth of information on GPS analysis, peer-to-peer computing and geodesy. Some useful links are collected here.

Find some useful links

Project details

Ultimate Browsers SupportThe GPS Dancer project started in 2007 as a voluntary project of a working group of the International Association of Geodesy.

Read more ...

Square dance algorithm

Great Docs and SupportThe GPS Dancer system was named after its "square dance" exchange algorithm. Of course, it also wants to to make the GPS reference frame denser.


Here, there be pirates

The Dancer on-line network became immune against internet connection problems by leaving the US marines, and becoming a pirate.

Read more ...

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