High Accuracy Navigation for the Mass Market - the FLAMINGO Initiative. - William Roberts; Joshua Critchley-Marrows; Maria Ivanovici; Malgorzata Siutkowska; Valentin Barreau; Laurent Arzel; Soufian Ayachi; Alex Lopez; Xavier Banque-Casanovas; Miquel Garcia; Thiago Tavares; Maria Kirova; et al. (ENC, 2020)