NeQuick G Source Code

Download NeQuick G source code

An implementation of NeQuick G algorithm, written in the C programming language standard 2011, is now available for all Galileo users. The source code is divided into:

  • The NeQuick G JRC library (src/lib),
  • the test driver program (src),
  • and several directories with self-explanatory names. The extensions that can be found for the different files are those related to C (.c and .H), some plain text files, the MODIP and CCIR files corresponding to the original NeQuick distribution, some make files (according to the compiler that is to be used), some configuration (.cfg) and perl (.pl).

The NeQuick G algorithm implementation is available for registered users after access request.

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NeQuick G model for single frequency users

The NeQuick G model algorithm is developed to help single-frequency receivers to estimate the ionospheric delay. Using an adaptation of the NeQuick ionosphere electron density model for Galileo, referred as NeQuick G, single frequency receivers are able to correct the errors introduced by the ionospheric propagation delay.

Users shall follow indications provided in the reference document "Ionospheric Correction Algorithm for Galileo Single Frequency Users" in order to implement the ionospheric algorithm for Galileo single frequency receivers. The document contains definitions, step-by-step procedures and complementary files required to support NeQuick G in the receivers.