Low frequency (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Low frequency" in English language version.

Last modified: 04:41:37, 31 May 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

99web.archive.org

1^st place

22books.google.com

3^rd place

22arrl.org

low place

7,257^th place

22ecfr.gov

5,707^th place

2,982^nd place

11itu.int

1,487^th place

1,305^th place

11fas.org

730^th place

519^th place

11bbc.co.uk

11^th place

10^th place

11wireless.org.uk

low place

11ofcom.org.uk

5,969^th place

3,088^th place

11dwd.de

3,372^nd place

4,407^th place

11ndblist.info

low place

arrl.org (Global: low place; English: 7,257^th place)

Regulatory Band Chart (PDF) (chart / graphic) (11×17″ color ed.). Newington, CT: American Radio Relay League. 22 September 2017. Archived (PDF) from the original on 11 November 2020. Retrieved 26 November 2020.
"G3AQC's signal spans the Atlantic on 73 kHz!". The ARRL Letter. Newington, CT: American Radio Relay League. 30 November 2001. Archived from the original on 12 January 2014. Retrieved 12 January 2014.

bbc.co.uk (Global: 11^th place; English: 10^th place)

"The Human Button". Today. 2 December 2008. BBC. BBC Radio 4. Archived from the original on 3 February 2011. Retrieved 6 August 2011.

books.google.com (Global: 3^rd place; English: 3^rd place)

US Federal Standard 1037B: Telecommunications, Glossary of Telecommunications Terms. Office of Technology Standards, General Services Administration. 3 June 1991. pp. S-18.
Seybold, John S. (2004). Introduction to RF Propagation. John Wiley and Sons. pp. 55–58. ISBN 0471743682. Archived from the original on 16 April 2021. Retrieved 30 November 2020 – via Google books.

dwd.de (Global: 3,372^nd place; English: 4,407^th place)

"DWD Sendeplan". Retrieved 8 January 2008.{{cite web}}: CS1 maint: deprecated archival service (link)

ecfr.gov (Global: 5,707^th place; English: 2,982^nd place)

"§ 15.217 Operation in the band 160–190 kHz (47 CFR 15.217)". Part 15 — Radio frequency devices. ecfr.gov (Report). The Electronic Code of Federal Regulations. 47 CFR 15.217 (47 CFR 15.206). Retrieved 17 March 2024.^{[failed verification]} Cited section 47 CFR 15.206 not present / removed: section id §15.205 skips to §15.207 .
"Part 15 — Radio frequency devices". Federal Register. Archived from the original on 26 July 2014. Retrieved 21 July 2014.

fas.org (Global: 730^th place; English: 519^th place)

"Very Low Frequency (VLF)". United States Nuclear Forces. fas.org. 1998. Archived from the original on 27 December 2007. Retrieved 9 January 2008.

itu.int (Global: 1,487^th place; English: 1,305^th place)

Final Acts WRC-15 (PDF). World Radiocommunication Conference. Geneva, Switzerland: International Telecommunications Union. 2015. p. 4. Retrieved 12 January 2025.

ndblist.info (Global: low place; English: low place)

Gale, Alan (G4TMV) (2011). World DGPS database for DXers (PDF) (Report). 4.6. Archived from the original (PDF) on 21 July 2011. Retrieved 14 January 2008 – via ndblist.info.{{cite report}}: CS1 maint: numeric names: authors list (link)

ofcom.org.uk (Global: 5,969^th place; English: 3,088^th place)

"UK Spectrum Strategy 2002" (Press release). Ofcom. 16 September 2016. Archived from the original on 30 September 2007. Retrieved 5 June 2006.

web.archive.org (Global: 1^st place; English: 1^st place)

Seybold, John S. (2004). Introduction to RF Propagation. John Wiley and Sons. pp. 55–58. ISBN 0471743682. Archived from the original on 16 April 2021. Retrieved 30 November 2020 – via Google books.
"Very Low Frequency (VLF)". United States Nuclear Forces. fas.org. 1998. Archived from the original on 27 December 2007. Retrieved 9 January 2008.
"The Human Button". Today. 2 December 2008. BBC. BBC Radio 4. Archived from the original on 3 February 2011. Retrieved 6 August 2011.
Regulatory Band Chart (PDF) (chart / graphic) (11×17″ color ed.). Newington, CT: American Radio Relay League. 22 September 2017. Archived (PDF) from the original on 11 November 2020. Retrieved 26 November 2020.
"QSO ZL / UA0 on 136 kHz". The World of LF. wireless.org.uk. Archived from the original on 29 September 2007. Retrieved 1 June 2006.
"UK Spectrum Strategy 2002" (Press release). Ofcom. 16 September 2016. Archived from the original on 30 September 2007. Retrieved 5 June 2006.
"G3AQC's signal spans the Atlantic on 73 kHz!". The ARRL Letter. Newington, CT: American Radio Relay League. 30 November 2001. Archived from the original on 12 January 2014. Retrieved 12 January 2014.
"Part 15 — Radio frequency devices". Federal Register. Archived from the original on 26 July 2014. Retrieved 21 July 2014.
Gale, Alan (G4TMV) (2011). World DGPS database for DXers (PDF) (Report). 4.6. Archived from the original (PDF) on 21 July 2011. Retrieved 14 January 2008 – via ndblist.info.{{cite report}}: CS1 maint: numeric names: authors list (link)

wireless.org.uk (Global: low place; English: low place)

"QSO ZL / UA0 on 136 kHz". The World of LF. wireless.org.uk. Archived from the original on 29 September 2007. Retrieved 1 June 2006.

Low frequency (English Wikipedia)

arrl.org (Global: low place; English: 7,257th place)

bbc.co.uk (Global: 11th place; English: 10th place)

books.google.com (Global: 3rd place; English: 3rd place)

dwd.de (Global: 3,372nd place; English: 4,407th place)

ecfr.gov (Global: 5,707th place; English: 2,982nd place)

fas.org (Global: 730th place; English: 519th place)

itu.int (Global: 1,487th place; English: 1,305th place)

ndblist.info (Global: low place; English: low place)

ofcom.org.uk (Global: 5,969th place; English: 3,088th place)

web.archive.org (Global: 1st place; English: 1st place)

wireless.org.uk (Global: low place; English: low place)

arrl.org (Global: low place; English: 7,257^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

dwd.de (Global: 3,372^nd place; English: 4,407^th place)

ecfr.gov (Global: 5,707^th place; English: 2,982^nd place)

fas.org (Global: 730^th place; English: 519^th place)

itu.int (Global: 1,487^th place; English: 1,305^th place)

ofcom.org.uk (Global: 5,969^th place; English: 3,088^th place)

web.archive.org (Global: 1^st place; English: 1^st place)