Critical frequency (English Wikipedia)

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

refsWebsite

Global rank English rank

low place

7,132^nd place

1rfwireless-world.com

low place

low place

1,115^th place

741^st place

18^th place

17^th place

2^nd place

2^nd place

5^th place

5^th place

2,451^st place

1,726^th place

1ghostarchive.org

32^nd place

21^st place

bldrdoc.gov (Global: low place; English: 7,132^nd place)

its.bldrdoc.gov

"Definition: critical frequency". www.its.bldrdoc.gov. Retrieved 2018-09-13.

bom.gov.au (Global: 2,451^st place; English: 1,726^th place)

sws.bom.gov.au

"HF radio propagation" (PDF). Space Weather Services. Archived (PDF) from the original on 2022-10-09.

doi.org (Global: 2^nd place; English: 2^nd place)

Theimer, Otto; Taylor, Leonard S. (October 1961). "On the index of refraction in the ionosphere". Journal of Geophysical Research. 66 (10): 3157–3162. Bibcode:1961JGR....66.3157T. doi:10.1029/jz066i010p03157. ISSN 0148-0227.

ghostarchive.org (Global: 32^nd place; English: 21^st place)

"HF radio propagation" (PDF). Space Weather Services. Archived (PDF) from the original on 2022-10-09.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Theimer, Otto; Taylor, Leonard S. (October 1961). "On the index of refraction in the ionosphere". Journal of Geophysical Research. 66 (10): 3157–3162. Bibcode:1961JGR....66.3157T. doi:10.1029/jz066i010p03157. ISSN 0148-0227.

rfwireless-world.com (Global: low place; English: low place)

"CF vs MUF | Difference between CF and MUF". www.rfwireless-world.com. Retrieved 2018-09-13.

ucsb.edu (Global: 1,115^th place; English: 741^st place)

scienceline.ucsb.edu

"UCSB Science Line". scienceline.ucsb.edu. Retrieved 2018-09-14.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Theimer, Otto; Taylor, Leonard S. (October 1961). "On the index of refraction in the ionosphere". Journal of Geophysical Research. 66 (10): 3157–3162. Bibcode:1961JGR....66.3157T. doi:10.1029/jz066i010p03157. ISSN 0148-0227.