ETSI TS 103 246-4-2016 Satellite Earth Stations and Systems (SES); GNSS based location systems; Part 4: Requirements for location data exchange protocols (V1.1.1)
2017ETSI TS 103 246-4-2017 Satellite Earth Stations and Systems (SES); GNSS based location systems; Part 4: Requirements for location data exchange protocols (V1.2.1)
2016ETSI TS 103 246-4-2016 Satellite Earth Stations and Systems (SES); GNSS based location systems; Part 4: Requirements for location data exchange protocols (V1.1.1)