radiotelegraph
31radiotelegraphy — noun 1. telegraphy that uses transmission by radio rather than by wire • Syn: ↑radiotelegraph, ↑wireless telegraphy • Hypernyms: ↑wireless 2. the use of radio to send telegraphic messages (usually by Morse code) • Syn: ↑rad …
32radiotelegraphist — “+ noun Etymology: International Scientific Vocabulary radiotelegraph (I) + ist : one licensed to operate radiotelegraph equipment …
33Radiotelegram — Ra di*o*tel e*gram (r[=a] d[i^]*[o^]*t[e^]l [ e]*gr[a^]m), n. A message transmitted by radiotelegraph. [Webster 1913 Suppl.] …
34radiotelegraphy — noun see radiotelegraph …
35Guglielmo Marconi — Born 25 April 1874(1874 04 25) Palazzo Marescalchi, Bologna …
36June 19 — Events*1179 The Norwegian Battle of Kalvskinnet outside Nidaros. Earl Erling Skakke is killed, and the battle changes the tide of the civil wars. *1269 King Louis IX of France orders all Jews found in public without an identifying yellow badge to …
37San Marino — This article is about the country in southern Europe. For other uses, see San Marino (disambiguation). Republic of San Marino Repubblica di San Marino …
38Shortwave — radio operates between the frequencies of 3,000 kHz (3.000 MHz) and 30,000 kHz (30.000 MHz) [ Tomislav Stimac, [http://www.vlf.it/frequency/bands.html Definition of frequency bands (VLF, ELF... etc.)] . IK1QFK Home Page (vlf.it).] and came to be… …
39Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
40Ocean Bluff-Brant Rock, Massachusetts —   CDP   Coordinates …
