Report of recent experiments with the European 1 MW, 170 GHz CW and SP prototype gyrotrons for ITER oleh Ioannidis Zisis, Rzesnicki Tomasz, Albajar Ferran, Alberti Stefano, Avramidis Konstantinos, Bin William, Bonicelli Tulio, Bruschi Alex, Chelis Ioannis, Fanale Francesco, Gantenbein Gerd, Hermann Virgille, Hogge Jean-Philippe, Illy Stefan, Jin Jianbo, Jelonnek John, Kasparek Walter, Latsas George, Lechte Carsten, Legrand François, Pagonakis Ioannis, Sanchez Francisco, Schmid Martin, Schlatter Christian, Thumm Manfred, Tigelis Ioannis, Tran Minh Quang, Zisis Anastasios, Zein Andy