Editing Very low frequency (section)

== List of VLF transmissions ==
For a more detailed list, see [[List of VLF-transmitters]]

{| class="wikitable sortable"
|-
! Callsign
! Frequency
! Location of transmitter
! Remarks
|- align="center" valign="top"
|     — || 11.905&nbsp;kHz || various locations (Russia) || [[Alpha (radio navigation)|Alpha-Navigation]]
|- align="center" valign="top"
|     — || 12.649&nbsp;kHz || various locations (Russia) || [[Alpha (radio navigation)|Alpha-Navigation]]
|- align="center" valign="top"
|     — || 14.881&nbsp;kHz || various locations (Russia) || [[Alpha (radio navigation)|Alpha-Navigation]]
|- align="center" valign="top"
| [[HWU transmitter|HWU]] || 15.1&nbsp;kHz || Rosnay (France) || 400&nbsp;kW<ref name=Fidani-2011/>
|- align="center" valign="top"
|- align="center" valign="top"
|     — || 15.625&nbsp;kHz || — || Frequency for horizontal deflection of electron beam in [[CRT television]]s ([[576i]])
|- align="center" valign="top"
|     — || 15.734&nbsp;kHz || — || Frequency for horizontal deflection of electron beam in [[CRT television]]s ([[480i]])
|- align="center" valign="top"
| [[Noviken VLF Transmitter|JXN]] || 16.4&nbsp;kHz || [[Gildeskål Municipality]] (Norway) ||
|- align="center" valign="top"
| [[VLF transmitter Grimeton|SAQ]] || 17.2&nbsp;kHz || [[VLF transmitter Grimeton|Grimeton]] (Sweden) || Only active at special occasions {{nowrap|([[Alexanderson Day]])}}
|- align="center" valign="top"
| [[VLF Transmitter Cutler|NAA]] || 17.8&nbsp;kHz || VLF station (NAA) at [[Cutler, Maine|Cutler]], Maine (US)<ref>{{Cite web |title=Shortwave HF VHF UHF utilities monitoring |url=http://www.random-abstract.com/radio/ |website=Random Abstract}}</ref> || 
|- align="center" valign="top"
| RDL UPD UFQE UPP UPD8 || 18.1&nbsp;kHz || various locations, including [[Matochkin Shar]] (Russia)<ref name=Fidani-2011/> ||
|- align="center" valign="top"
| [[HWU transmitter|HWU]] || 18.3&nbsp;kHz || [[Le Blanc]] (France) || Frequently inactive for long periods
|- align="center" valign="top"
| RKS || 18.9&nbsp;kHz || various locations (Russia) || Rarely active
|- align="center" valign="top"
| [[Anthorn Radio Station|GQD]] || 19.6&nbsp;kHz || [[Anthorn radio station|Anthorn]] (UK) || Many operation modes.
|- align="center" valign="top"
| [[Naval Communication Station Harold E. Holt|NWC]] || 19.8&nbsp;kHz || [[Exmouth, Western Australia|Exmouth]], Western Australia (AUS) || Used for submarine communication, 1&nbsp;megawatt.<ref>{{Cite news |date=14 November 2008 |title=Naval base link to jet plunge |url=http://www.smh.com.au/news/travel/naval-base-link-to-qantas-plunge/2008/11/14/1226318890475.html |access-date=14 November 2008 |work=[[The Sydney Morning Herald]] |location=Sydney, AU}}</ref>
|- align="center" valign="top"
| ICV || 20.27&nbsp;kHz || [[Tavolara Island|Tavolara]] (Italy) ||
|-
|- align="center" valign="top"
| RJH63 RJH66 [[Vileyka VLF transmitter|RJH69]]  RJH77 RJH99 || 20.5&nbsp;kHz || various locations (Russia) || [[Beta (time signal)|Time signal transmitter Beta]]
|- align="center" valign="top"
| ICV || 20.76&nbsp;kHz || Tavolara (Italy) ||
|- align="center" valign="top"
| [[HWU transmitter|HWU]] || 20.9&nbsp;kHz || Saint-Assise (France)<!-- Saint-Assise seems not to exist as a location in France, according to Google Maps --><ref name="Fidani-2011">{{Cite journal |last=Fidani |first=Cristiano |date=8 December 2011 |title=The Central Italy Electromagnetic Network and the 2009 L'Aquila earthquake: Observed electric activity |url=http://www.mdpi.com/2076-3263/1/1/3/pdf |journal=Geosciences |publication-date=2012 |volume=1 |issue=1 |pages=3–25 |bibcode=2011Geosc...1....3F |doi=10.3390/geosciences1010003 |issn=2076-3263 |access-date=14 January 2021 |doi-access=free}}</ref> ||
|- align="center" valign="top"
| RDL || 21.1&nbsp;kHz || various locations (Russia) || rarely active
|- align="center" valign="top"
| [[Lualualei VLF transmitter|NPM]] || 21.4&nbsp;kHz || Hawaii (USA) ||
|- align="center" valign="top"
| [[HWU transmitter|HWU]] || 21.75&nbsp;kHz || Rosnay (France)<ref name=Fidani-2011/> ||
|- align="center" valign="top"
| [[Skelton Transmitting Station|GZQ]] || 22.1&nbsp;kHz || [[Skelton transmitting station|Skelton]] (UK) ||
|- align="center" valign="top"
| [[Ebino VLF transmitter|JJI]] || 22.2&nbsp;kHz || [[Ebino VLF transmitter|Ebino]] (Japan) ||
|- align="center" valign="top"
| RJH63 RJH66 [[Vileyka VLF transmitter|RJH69]]  RJH77 RJH99 || 23&nbsp;kHz || various locations (Russia) || Time signal transmitter Beta
|- align="center" valign="top"
| [[VLF transmitter DHO38|DHO38]] || 23.4&nbsp;kHz || near [[Rhauderfehn]] (Germany) || submarine communication
|- align="center" valign="top"
| [[VLF Transmitter Cutler|NAA]] || 24&nbsp;kHz || [[Cutler, Maine]] (USA) || Used for submarine communication, at {{nowrap|2&nbsp;megawatts}}<ref>{{Cite web |title=Cutler |url=http://www.globalsecurity.org/military/facility/cutler.htm |website=GlobalSecurity |series=Military Facilities}}</ref>
|- align="center" valign="top"
| [[Jim Creek Naval Radio Station|NLK]] || 24.6&nbsp;kHz || [[Oso, Washington]] (USA) || 192&nbsp;kW<ref name=Fidani-2011/>
|- align="center" valign="top"
| NLF || 24.8&nbsp;kHz || [[Arlington, Washington]] (USA) || Used for submarine communication.<ref>{{Cite web |title=20–25kHz |url=http://www.vlf.it/trond2/20-25khz.html |website=vlf.it}}{{full citation needed|date=January 2021}}<br/>{{Cite web |title=WA3248 |url=http://ludb.clui.org/ex/i/WA3248/ |url-status=dead |archive-url=https://web.archive.org/web/20110927004529/http://ludb.clui.org/ex/i/WA3248/ |archive-date=2011-09-27 |access-date=2009-07-13 |website=ludb.clui.org}}{{full citation needed|date=January 2021}}</ref>
|- align="center" valign="top"
| NML || 25.2&nbsp;kHz || [[LaMoure, North Dakota]] (USA) ||
|- align="center" valign="top"
| [[PNS Hameed|PNSH]] || 14–25.2?&nbsp;kHz || [[Karachi coast]], [[Sindh]] (Pakistan) ||
|- 
|}