EGNOS - USE OF GPS SYSTEM FOR APPROACH PROCEDURES

Since GPS system became available for common use, a it has been applied in many areas, including aviation. The development of portable GPS receivers provided immeasurable aid in air navigation. The paper presents EGNOS system that ensures the possibility of using GPS system for approach procedure. The article addresses the following issues: the history of creation and development of GPS, principle of system operation, accuracy in relation for GPS system, comparison with conventional radio navigation ILS system and potential benefits from implementing EGNOS