This questionnaire is intended to gather feedback on the level of satisfaction of EGNOS Open Service users, application developers or stakeholders, as well as a means for them to provide any valuable suggestion or recommendation to the EGNOS Service Provider, in accordance with ISO 9001 requirements aimed at the improvement of the quality of the service provided. The main conclusions and outputs of this questionnaire will be shared with the users.

The EGNOS Open Service comprises the provision of an augmentation signal to the Global Positioning System (GPS) Standard Positioning Service (SPS) with the specific committed performance and subject to the service limitations described in the EGNOS OS Service Definition Document (http://www.essp-sas.eu/service_definition_documents ). The EGNOS Open Service can be used in any application domain and is accessible in Europe to any user equipped with an appropriate GPS/SBAS compatible receiver for which no specific receiver certification is required.