The main objective of this activity was to develop and demonstrate new techniques which are expected to improve the current state-of-the-art Space Weather forecasting techniques and products related to Space Weather effects for Positioning, Navigation and Timing (PNT) systems in the Arctic, with particular attention to the Greenland area. For this purpose, the activity investigated and tested innovative methods for monitoring and predicting Space Weather impacts on PNT in interested area. This activity was based on an experimentation testbed, in which new or enhanced forecast Space Weather products was derived