radiopharen.
/ˈreɪdɪəʊˌfɛː/, U.S. /ˈreɪdioʊˌfɛ(ə)r/ Now rare.
A navigational radio beacon.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > buoys, marks, or lighthouses > [noun] > radio beacon
radiophare1912
society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > radio beam or beacon > navigational radio beacon
range beacon1852
radiophare1912
radio range1929
1912 Internat. Radio Telegraph Convent. Berlin 1906 iv. 27 It seems necessary to fix a maxi[m]um wave length for radiophares (radio stations for aids to navigation) in order to avoid the disturbances which these stations might introduce into the working of other stations. A maxi[m]um wave length of 100 meters would be sufficient.
1912 Times 11 Dec. 26/3 The French Government..had decided to install wireless lighthouses or ‘radiophares’ round the whole French coast.
1922 Nature 20 May 650/1 Until two or three years ago the radiophares—or radio-beacons as they are called in America—were purely stations for giving ships their positions.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IV. 231/2 Radio stations erected specifically for use with the ADF are known as NDB (non-directional beacons or radiophares).
1973 Geogr. Jrnl. 139 139 Only three levels [of coastal terrace] are differentiated except near the radiophare of Tongoy where there are five.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1912