RTCA DO-207-1991 Minimum Operational Performance Standards for Devices That Prevent Blocked Channels Used in Two-Way Radio Communications Due to Unintentional Transmissions
Recommends standards and procedures for systems that reduce unintentional transmissions and prevent blocked frequencies that adversely affect two-way voice radio communications. This specification is applicable to ground-based@ ground-mobile@ and airborne two-way VHF and UHF radio voice communications equipment used for control of air traffic. FAA Technical Standard Order (TSO) ?C C128 references this document.