… Airport Communications System in the National Airspace System. MITRE provided technical inputs to the AeroMACS strategy development team and performed technical analyses. The FAA is currently … GHz to about 70 GHz,” ITU, 2012. [17] CelPlannerTM software, available at: http://www.celplan.com/products/celldesigner.asp [18] Eurocontrol/FAA, “Communications Operating Concept and … the express written permission of The MITRE Corporation. For further information, please contact The MITRE Corporation, Contract Office, 7515 Colshire Drive, McLean, VA 22102 (703) …