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- Ultra_low_frequency abstract "Ultra low frequency (ULF) is the ITU designation for the frequency range of electromagnetic waves between 300 hertz and 3 kilohertz. In magnetosphere science and seismology, alternative definitions are usually given, including ranges from 1 mHz to 100 Hz, 1 mHz to 1 Hz, 10 mHz to 10 Hz. Frequencies above 3 Hz in atmosphere science are usually assigned to the ELF range.Many types of waves in the ULF frequency band can be observed in the magnetosphere and on the ground. These waves represent important physical processes in the near-Earth plasma environment. The speed of the ULF waves is often associated with the Alfvén velocity that depends on the ambient magnetic field and plasma mass density.This band is used for communications in mines, as it can penetrate the earth.".
- Ultra_low_frequency wikiPageExternalLink earthmode.htm.
- Ultra_low_frequency wikiPageExternalLink freeabs_all.jsp?arnumber=1138037.
- Ultra_low_frequency wikiPageExternalLink inspire.html.
- Ultra_low_frequency wikiPageExternalLink oai?&verb=getRecord&metadataPrefix=html&identifier=AD0640319.
- Ultra_low_frequency wikiPageExternalLink bands.html.
- Ultra_low_frequency wikiPageID "887766".
- Ultra_low_frequency wikiPageLength "6466".
- Ultra_low_frequency wikiPageOutDegree "29".
- Ultra_low_frequency wikiPageRevisionID "655995310".
- Ultra_low_frequency wikiPageWikiLink 1989_Loma_Prieta_earthquake.
- Ultra_low_frequency wikiPageWikiLink 2010_Haiti_earthquake.
- Ultra_low_frequency wikiPageWikiLink AGARD.
- Ultra_low_frequency wikiPageWikiLink Alfvén_velocity.
- Ultra_low_frequency wikiPageWikiLink Alfvén_wave.
- Ultra_low_frequency wikiPageWikiLink Amateur_radio_operator.
- Ultra_low_frequency wikiPageWikiLink California.
- Ultra_low_frequency wikiPageWikiLink Category:Radio_spectrum.
- Ultra_low_frequency wikiPageWikiLink Classified_information.
- Ultra_low_frequency wikiPageWikiLink Communications_security.
- Ultra_low_frequency wikiPageWikiLink Demeter_(satellite).
- Ultra_low_frequency wikiPageWikiLink Digital_signal_processing.
- Ultra_low_frequency wikiPageWikiLink Earthquake.
- Ultra_low_frequency wikiPageWikiLink Earthquakes.
- Ultra_low_frequency wikiPageWikiLink Earths_field_NMR.
- Ultra_low_frequency wikiPageWikiLink Electric_current.
- Ultra_low_frequency wikiPageWikiLink Electrode.
- Ultra_low_frequency wikiPageWikiLink Extremely_low_frequency.
- Ultra_low_frequency wikiPageWikiLink Frequency.
- Ultra_low_frequency wikiPageWikiLink Haiti.
- Ultra_low_frequency wikiPageWikiLink Hertz.
- Ultra_low_frequency wikiPageWikiLink International_Telecommunication_Union.
- Ultra_low_frequency wikiPageWikiLink International_Telecommunications_Union.
- Ultra_low_frequency wikiPageWikiLink Kilohertz.
- Ultra_low_frequency wikiPageWikiLink Magnetosphere.
- Ultra_low_frequency wikiPageWikiLink Meter.
- Ultra_low_frequency wikiPageWikiLink Metre.
- Ultra_low_frequency wikiPageWikiLink Mining.
- Ultra_low_frequency wikiPageWikiLink Radio_amateurs.
- Ultra_low_frequency wikiPageWikiLink Secure_communications.
- Ultra_low_frequency wikiPageWikiLink Seismology.
- Ultra_low_frequency wikiPageWikiLink Through-the-earth_mine_communications.
- Ultra_low_frequency wikiPageWikiLink Through_the_earth_mine_communications.
- Ultra_low_frequency wikiPageWikiLink Voice_frequency.
- Ultra_low_frequency wikiPageWikiLink World_War_I.
- Ultra_low_frequency wikiPageWikiLinkText "3".
- Ultra_low_frequency wikiPageWikiLinkText "ULF".
- Ultra_low_frequency wikiPageWikiLinkText "Ultra low frequency".
- Ultra_low_frequency wikiPageWikiLinkText "ultra low frequency".
- Ultra_low_frequency wikiPageWikiLinkText "ultra-low frequency".
- Ultra_low_frequency freq "0.3".
- Ultra_low_frequency hasPhotoCollection Ultra_low_frequency.
- Ultra_low_frequency wave "1000".
- Ultra_low_frequency wikiPageUsesTemplate Template:EMSpectrum.
- Ultra_low_frequency wikiPageUsesTemplate Template:MWband.
- Ultra_low_frequency wikiPageUsesTemplate Template:Radio_spectrum.
- Ultra_low_frequency subject Category:Radio_spectrum.
- Ultra_low_frequency hypernym Designation.
- Ultra_low_frequency type Place.
- Ultra_low_frequency comment "Ultra low frequency (ULF) is the ITU designation for the frequency range of electromagnetic waves between 300 hertz and 3 kilohertz. In magnetosphere science and seismology, alternative definitions are usually given, including ranges from 1 mHz to 100 Hz, 1 mHz to 1 Hz, 10 mHz to 10 Hz. Frequencies above 3 Hz in atmosphere science are usually assigned to the ELF range.Many types of waves in the ULF frequency band can be observed in the magnetosphere and on the ground.".
- Ultra_low_frequency label "Ultra low frequency".
- Ultra_low_frequency sameAs ULF.
- Ultra_low_frequency sameAs Ultra_basse_fréquence.
- Ultra_low_frequency sameAs अत्यन्त_निम्न_आवृत्ति_(ULF).
- Ultra_low_frequency sameAs Ultra_low_frequency.
- Ultra_low_frequency sameAs Ultra_low_frequency.
- Ultra_low_frequency sameAs Ultralav_frekvens.
- Ultra_low_frequency sameAs ULF.
- Ultra_low_frequency sameAs m.03ly81.
- Ultra_low_frequency sameAs Ultra_düşük_frekans.
- Ultra_low_frequency sameAs Tần_số_cực_thấp.
- Ultra_low_frequency sameAs Q2488684.
- Ultra_low_frequency sameAs Q2488684.
- Ultra_low_frequency sameAs 特低頻.
- Ultra_low_frequency wasDerivedFrom Ultra_low_frequency?oldid=655995310.
- Ultra_low_frequency isPrimaryTopicOf Ultra_low_frequency.