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- Letter_beacon abstract "Letter beacons are radio transmissions of uncertain origin and unknown purpose, consisting of only a single repeating Morse code letter. They have been classified into a number of groups according to transmission code and frequency, and it is supposed that the source for most of them is Russia.(Some beacons sending Morse code letters are well known directional or non-directional beacons for radio navigation. These are not discussed in this article.)Letter beacons have been referred to as: SLB, or \"Single Letter Beacons\" SLHFB, or \"Single Letter High Frequency Beacons\" SLHFM, or \"Single Letter High Frequency Markers\" Cluster beacons MX — an ENIGMA and ENIGMA-2000 designation.".
- Letter_beacon thumbnail LetterBeacon-D-5153_7_kHz.png?width=300.
- Letter_beacon wikiPageExternalLink www.numbersoddities.nl.
- Letter_beacon wikiPageExternalLink enigma.txt.
- Letter_beacon wikiPageExternalLink UDXF.
- Letter_beacon wikiPageExternalLink enigma2000.
- Letter_beacon wikiPageExternalLink enigma2000.
- Letter_beacon wikiPageExternalLink spooks.
- Letter_beacon wikiPageExternalLink www.numbersoddities.nl.
- Letter_beacon wikiPageID "2048773".
- Letter_beacon wikiPageLength "17493".
- Letter_beacon wikiPageOutDegree "57".
- Letter_beacon wikiPageRevisionID "699319790".
- Letter_beacon wikiPageWikiLink 80-meter_band.
- Letter_beacon wikiPageWikiLink Amderma.
- Letter_beacon wikiPageWikiLink Arkhangelsk.
- Letter_beacon wikiPageWikiLink Astrakhan.
- Letter_beacon wikiPageWikiLink Barents_Sea.
- Letter_beacon wikiPageWikiLink Call_sign.
- Letter_beacon wikiPageWikiLink Category:Military_radio_systems.
- Letter_beacon wikiPageWikiLink Category:Secret_broadcasting.
- Letter_beacon wikiPageWikiLink Civil_defense.
- Letter_beacon wikiPageWikiLink Electric_beacon.
- Letter_beacon wikiPageWikiLink Federal_Communications_Commission.
- Letter_beacon wikiPageWikiLink File:Screen_capture_of_cluster_letter_beacons.gif.
- Letter_beacon wikiPageWikiLink High-frequency_direction_finding.
- Letter_beacon wikiPageWikiLink Izhevsk.
- Letter_beacon wikiPageWikiLink Kaliningrad.
- Letter_beacon wikiPageWikiLink Kamchatka_Peninsula.
- Letter_beacon wikiPageWikiLink Khabarovsk.
- Letter_beacon wikiPageWikiLink Khiva.
- Letter_beacon wikiPageWikiLink Low_frequency.
- Letter_beacon wikiPageWikiLink Magadan.
- Letter_beacon wikiPageWikiLink Medium_frequency.
- Letter_beacon wikiPageWikiLink Message_precedence.
- Letter_beacon wikiPageWikiLink Morse_code.
- Letter_beacon wikiPageWikiLink Morse_code_for_non-Latin_alphabets.
- Letter_beacon wikiPageWikiLink Moscow.
- Letter_beacon wikiPageWikiLink Mukacheve.
- Letter_beacon wikiPageWikiLink Murmansk.
- Letter_beacon wikiPageWikiLink Non-directional_beacon.
- Letter_beacon wikiPageWikiLink Numbers_station.
- Letter_beacon wikiPageWikiLink Odessa.
- Letter_beacon wikiPageWikiLink Petropavlovsk-Kamchatsky.
- Letter_beacon wikiPageWikiLink Popular_Communications.
- Letter_beacon wikiPageWikiLink Radar_beacon_(racon).
- Letter_beacon wikiPageWikiLink Radio_jamming.
- Letter_beacon wikiPageWikiLink Radio_navigation.
- Letter_beacon wikiPageWikiLink Radioteletype.
- Letter_beacon wikiPageWikiLink Satellite.
- Letter_beacon wikiPageWikiLink Secret_broadcast.
- Letter_beacon wikiPageWikiLink Sevastopol.
- Letter_beacon wikiPageWikiLink Severomorsk.
- Letter_beacon wikiPageWikiLink Tirana.
- Letter_beacon wikiPageWikiLink Types_of_radio_emissions.
- Letter_beacon wikiPageWikiLink Vladivostok.
- Letter_beacon wikiPageWikiLink File:LetterBeacon-D-5153_7_kHz.png.
- Letter_beacon wikiPageWikiLinkText "Enigma designation".
- Letter_beacon wikiPageWikiLinkText "Letter beacon".
- Letter_beacon wikiPageWikiLinkText "letter beacon".
- Letter_beacon wikiPageUsesTemplate Template:Cite_book.
- Letter_beacon wikiPageUsesTemplate Template:Cite_journal.
- Letter_beacon wikiPageUsesTemplate Template:Cite_web.
- Letter_beacon wikiPageUsesTemplate Template:Coord.
- Letter_beacon wikiPageUsesTemplate Template:Refbegin.
- Letter_beacon wikiPageUsesTemplate Template:Refend.
- Letter_beacon wikiPageUsesTemplate Template:Reflist.
- Letter_beacon subject Category:Military_radio_systems.
- Letter_beacon subject Category:Secret_broadcasting.
- Letter_beacon hypernym Transmissions.
- Letter_beacon point "48.5 134.96666666666667".
- Letter_beacon type Communication.
- Letter_beacon type SpatialThing.
- Letter_beacon comment "Letter beacons are radio transmissions of uncertain origin and unknown purpose, consisting of only a single repeating Morse code letter. They have been classified into a number of groups according to transmission code and frequency, and it is supposed that the source for most of them is Russia.(Some beacons sending Morse code letters are well known directional or non-directional beacons for radio navigation.".
- Letter_beacon label "Letter beacon".
- Letter_beacon sameAs Q2880944.
- Letter_beacon sameAs Balise_à_lettre_unique.
- Letter_beacon sameAs Letter_beacon.
- Letter_beacon sameAs m.06hhlh.
- Letter_beacon sameAs Q2880944.
- Letter_beacon lat "48.5".
- Letter_beacon long "134.96666666666667".
- Letter_beacon wasDerivedFrom Letter_beacon?oldid=699319790.
- Letter_beacon depiction LetterBeacon-D-5153_7_kHz.png.
- Letter_beacon isPrimaryTopicOf Letter_beacon.