This week we welcome delegates from OSNI, WS Atkins, Colas Rail, Tata Steel, Leica Geosystems, Murphy Surveys, Plowman Craven Ltd, Fugro, and Forestry Commission Scotland for one or both of our linked CPD courses ‘GNSS and Network RTK‘ and ‘High precision GNSS using post-processing‘, building on our previous GNSS benchmarking work for The Survey Association.