International Journal of Satellite Communications and Networking aims to provide a quality technical journal for the academic and professional engineer covering all aspects of satellite systems, networks, components and services. The journal focuses on new research results as well systems operation, trials and descriptions and service provision. The goal is to provide a blend of systems oriented and general research papers.The journal covers all aspects of the theory, practice and operation of satellite systems and networks. Papers must address some aspect of satellite systems or their applications. Topics covered include:Satellite communication and broadcast systemsSatellite navigation and positioning systemsSatellite networks and networkingHybrid systemsEquipment-earth stations/terminals, payloads, launchers and componentsDescription of new systems, operations and trialsPlanning and operationsPerformance analysisInteroperabilityPropagation and interferenceEnabling technologies-coding/modulation/signal processing, etc.Mobile/Broadcast/Navigation/fixed servicesService provision, marketing, economics and business aspectsStandards and regulationNetwork protocols