coordinate-data transmitter
51Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… …
52Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
53National Institute of Neurological Disorders and Stroke — Organization logo Abbreviation NINDS Formation 1950 Type …
54United States Naval Special Warfare Development Group — Naval Special Warfare Development Group …
55Electrical telegraph — A printing electrical telegraph receiver, and a transmitter key at bottom right An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio. The electromagnetic telegraph is a device… …
56picture — Synonyms and related words: 3 D, CRT spot, Cinemascope, Cinerama, DM display, Doppler signal, IF signal, IM display, RF echoes, Technicolor, Telephoto, Vorstellung, Western, Wirephoto, abstract, abstraction, aerial photograph, ally, altarpiece,… …
