telegraphic signal
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Signal Corps in the American Civil War — U.S. Army Signal Corps station on Elk Mountain, Maryland, overlooking the Antietam battlefield. The Signal Corps in the American Civil War comprised two organizations: the U.S. Army Signal Corps, which began with the appointment of Major Albert J … Wikipedia
signal — Synonyms and related words: ALGOL, COBOL, CRT spot, DM display, Doppler signal, EDP, FORTRAN, IF signal, IM display, RF echoes, Roman candle, Teletype, Wirephoto, aid to navigation, alarm, alert, alphabetic data, alphanumeric code, amber light,… … Moby Thesaurus
Signal telegraph — Telegraph Tel e*graph, n. [Gr. ? far, far off (cf. Lith. toli) + graph: cf. F. t[ e]l[ e]graphe. See {Graphic}.] An apparatus, or a process, for communicating intelligence rapidly between distant points, especially by means of preconcerted… … The Collaborative International Dictionary of English
radiotelegraphic signal — noun a signal transmitted by telegraphy • Syn: ↑telegraphic signal • Hypernyms: ↑signal, ↑signaling, ↑sign • Hyponyms: ↑dot, ↑dit, ↑dash, ↑ … Useful english dictionary
Time signal — These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Contents 1 Audible… … Wikipedia
longitude signal — noun : a telegraphic or radio time signal sent out from a station whose longitude is known and received at other stations whose longitude is to be determined from the differences in local time … Useful english dictionary
Samuel F. B. Morse — Infobox Celebrity name = Samuel F. B. Morse caption = Samuel Finley Breese Morse, ca. 1845 birth date = birth date|1791|4|27|mf=y birth place = Charlestown, Massachusetts death date = death date and age|1872|4|2|1791|4|27|mf=y death place = 5… … Wikipedia
signaling — noun any nonverbal action or gesture that encodes a message (Freq. 1) signals from the boat suddenly stopped • Syn: ↑signal, ↑sign • Derivationally related forms: ↑sign (for: ↑sign) … Useful english dictionary
SOS — 1. the letters represented by the radio telegraphic signal (· · · · · ·) used, esp. by ships in distress, as an internationally recognized call for help. n. 2. any call for help: We sent out an SOS for more typists. v.i. 3. to send an SOS. [1905… … Universalium
SOS — /ɛs oʊ ˈɛs / (say es oh es) noun 1. the letters represented by the radio telegraphic signal dot dot dot, dash dash dash, dot dot dot, used, as by ships in distress, to call for help. 2. any call for help. {from the morse code letters for S O S,… …
