It is our pleasure to announce the third meeting centered around the GNU Radio framework held in France (Poitiers). This workshop targets French and European GNU Radio users and developers as a complement to the american GRCon, and welcomes participants from all countries and continents enjoying developing with GNU Radio. Contributions are sought in English as oral presentation/demo/tutorial. Last year's abstracts have been gathere in the book of abstracts of the 2019 edition of the European GNU Radio Days conference.