Application of Polarx3 receiver in Egnos data collection network

The paper describes the results of engagement into international cooperation within the EDCN network and it draws conclusions based on experience in monitoring of the EGNOS system. Experience gained by the authors in the EDCN project course is expected to have a serious impact on the research and development dedicated for enhancement of the reliability of the EDCN network. Therefore, in the paper not only current results of cooperation are presented, but also the challenging issues to be resolved in the future based on the conclusions drawn on experience gained.