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Free, over-the-air terrestrial television and radio broadcasting is a key element of disaster response, the International Telecommunication Union says in a draft report released in late November. The one-to-many nature of broadcasting means that so long as transmission capabilities exist, victims with access to receivers will have access to updated information. Unlike communications networks, which may fail after a disaster due to sudden and rushed demand to bandwidth or due to power loss, broadcast transmission is often robust and characterized by multiple local providers.