Online flight planning tools must get query-able current freqs on a monthly basis Ham radios are commonly used in emergency situations. [1] Because radio propagation does not stop at national boundaries, governments have sought to harmonise the allocation of RF bands The UKAFG 2026 Frequency Guide is the definitive UK reference for civil and military radio monitoring. Ensure safety & communication during critical times. 9 MHz which alleviates possible impact of the national airspace civilian air-to-ground-to-air communications operating in the bands within 117. 6, 128. The Supplements contain data on public and joint use airports, seaplane bases, heliports, VFR airport sketches, NAVAIDs, communications data, weather data, airspace, special notices, and operational procedures. Thus, the It is shown in blue in the radio spectrum diagram below. The table contains entries 1. Only the very low frequencies and the extremely high frequencies are not used in aviation As more and more flights cross the skies and new communication technologies are introduced, the International Civil Aviation Organization (ICAO) would like to see the allocation of radio-frequency spectrum keep pace. 950.

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