by BRENNAND, PETER ROBERT MULLARD LIMITED, CROWTHER, GERALD OFFREY MULLARD LIMITED, MASON, ARTHUR GORDON, BEKER, HENRY JOSEPH RACAL RESEARCH LIMITED, JENNER, PETER MICHAEL MARCONI SECURE RADIO SYSTEMS, BROWN, EDMUND RAPHAEL, EDWARDSON, STANLEY MAKINSON, KNEE, MICHAEL JAMES, ELY, STEPHEN ROBERT, GUILLOU, LOUIS CLAUDE, NICOLAS, JEAN-MARIE CHRISTOPHE LAB. D'ELECTRONIQUE, DORN, WILHELMUS MARTINUS BUILDING BA, JENNINGS, SYLVIA MARY RACAL RESEARCH LIMITED, BOES, LUC EMIEL LUCIEN
Year of Publication 03.10.1990

by MASON, ARTHUR, GORDON, JENNINGS, SYLVIA, MARY RACAL RESEARCH LIMITED, EDWARDSON, STANLEY, MAKINSON, KNEE, MICHAEL, JAMES BBC RESEARCH DEPARTMENT, BROWN, EDMUND, RAPHAEL, BRENNAND, PETER, ROBERT, DORN, WILHELMUS, MARTINUS BUILDING BA, JENNER, PETER, MICHAEL MARCONI SECURE RADIO, BEKER, HENRY, JOSEPH RACAL RESEARCH LIMITED, ELY, STEPHEN, ROBERT, CROWTHER, GERALD, OFFLEY, NICOLAS, JEAN-MARIE, CHRISTOPHE LABORATOIRE, BOES, LUC, EMIEL, LUCIEN, GUILLOU, LOUIS, CLAUDE
Year of Publication 13.06.1990

by BRENNAND, PETER ROBERT MULLARD LIMITED, CROWTHER, GERALD OFFREY MULLARD LIMITED, MASON, ARTHUR GORDON, BEKER, HENRY JOSEPH RACAL RESEARCH LIMITED, JENNER, PETER MICHAEL MARCONI SECURE RADIO SYSTEMS, BROWN, EDMUND RAPHAEL, EDWARDSON, STANLEY MAKINSON, KNEE, MICHAEL JAMES, ELY, STEPHEN ROBERT, GUILLOU, LOUIS CLAUDE, NICOLAS, JEAN-MARIE CHRISTOPHE LAB. D'ELECTRIQUE, DORN, WILHELMUS MARTINUS BUILDING BA, JENNINGS, SYLVIA MARY RACAL RESEARCH LIMITED, BOES, LUC EMIEL LUCIEN
Year of Publication 02.12.1987

by MASON, ARTHUR, GORDON, JENNINGS, SYLVIA, MARY RACAL RESEARCH LIMITED, EDWARDSON, STANLEY, MAKINSON, KNEE, MICHAEL, JAMES BBC RESEARCH DEPARTMENT, BROWN, EDMUND, RAPHAEL, BRENNAND, PETER, ROBERT, DORN, WILHELMUS, MARTINUS BUILDING BA, JENNER, PETER, MICHAEL MARCONI SECURE RADIO, BEKER, HENRY, JOSEPH RACAL RESEARCH LIMITED, ELY, STEPHEN, ROBERT, CROWTHER, GERALD, OFFLEY, NICOLAS, JEAN-MARIE, CHRISTOPHE LABORATOIRE, BOES, LUC, EMIEL, LUCIEN, GUILLOU, LOUIS, CLAUDE
Year of Publication 19.02.1986