The aim of the TTC2019 Workshop is to offer an international forum where TTC equipment designers, systems developers, added value system suppliers, operators, experts, universities, users and space agencies can openly network, discuss their ideas, share their experiences and formulate challenges to be met. The workshop will offer an overview of the technologies in use or under development. Hence, it will be a suitable forum for identifying trends in the requirements, architectures and technologies to be given attention during the coming years. Participants will have the opportunity to share their technical expertise and views by formal presentations, informal discussions and round tables.