A subject-matter expert (SME) is a person who has accumulated great knowledge in a particular field or topic and this level of knowledge is demonstrated by the person's degree, licensure, and/or through years of professional experience with the subject, i.e. a PhD in chemistry could be easily declared as an SME in chemistry, or a person with a Second Class Radio Telegraph License (or equivalent) issued by the national licensing body (Federal Communications Commission in the United States, Ofcom in the UK, and National Telecommunications Commission in the Philippines, and other authorities around the world) could be considered an SME in radio telegraph. A person with a master's degree in electronic engineering could be considered a subject matter expert in electronics, or a person with many