EXHIBIT 1 JOINT FILING AGREEMENT The undersigned hereby agree that the foregoing Schedule 13D may be filed on behalf of each of them. January 10, 1997 Matra Marconi Space UK Limited By: Nicholas E. Franks, Managing Director /s/ Nicholas E. Franks*...Joint Filing Agreement • February 10th, 1997 • Marconi Matra Space Uk LTD • Radio & tv broadcasting & communications equipment
