What is another word for huff-duff?
Pronunciation: [hˈʌfdˈʌf] (IPA) 
Huff-duff is a slang word that refers to the action of monitoring radio frequencies in order to gather intelligence or locate sources. Since this word is specific to a niche field, it may be difficult to find synonyms that accurately convey the same meaning. However, some alternative terms that could be used include radio direction finding or radio triangulation. These words describe the process of using radio signals to determine the location of a transmission source. Other possible synonyms might include radio tracking or signal tracking. These terms all refer to the same basic concept of using radio waves to gather information about a transmission's location.
