hf direction finder
41Stud finder — A stud finder (also stud detector or stud sensor) is a handheld device used to determine the location of framing studs used in light frame construction after the walling surface has been installed.There are three main types of these devices: *… …
42Depression position finder — A DPF (left) and an azimuth scope (right) in use. A depression position finder (DPF) is an observation instrument that was used in the fire control system of the U.S. Coast Artillery to locate targets in range and/or azimuth as part of the… …
43DF — • Direction Finding • Direction Finder …
44directionfinder — direction finder n. Abbr. DF A device for determining the source of a transmitted signal, consisting mainly of a radio receiver and a coiled rotating antenna. * * * …
45ADF — automatic direction finder. * * * …
46navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
47Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
48RDF — abbr. radio direction finder. * * * abbreviation radio direction finder * * * See radio direction finder. * * * abbrev 1. Radio direction finding (or finder) 2. Refuse derived fuel * * * RDF (no periods), 1. radio direction finder. 2. radio… …
49ADF — abbreviation automatic direction finder * * * automatic direction finder. * * * abbrev Automatic direction finder * * * ADF (no periods), 1. aircraft direction finder. 2. automatic direction finder. * * * abbr. automatic direction finder, a… …
50DF — abbr. 1 Defender of the Faith. 2 direction finder. Etymology: in sense 1 f. L Defensor Fidei * * * abbreviation 1. damage free 2. dead freight 3. [Medieval Latin Defensor Fidei] Defender of the Faith 4 …
