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Appleton layer
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∙ 14y ago
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What is the type of radiation stopped in the ionosphere?
Eletromagnetic radiation with a frequency below the ionosphere's plasma frequency will generally be reflected. The specific frequency depends on the density of ionospheric plasma which can vary at different altitudes, but also different geomagnetic latitudes and from day to night. For a typical daytime mid-latitude ionosphere, the most dense part of the ionosphere, (the "F" region), will reflect radio frequencies up to ~2.8Mhz (assuming an electron density of 1e11 m-3).
How far is the ionosphere from earth in miles?
The lower layers, the D and E layers are only a few tens of km - perhaps a hundred km at most. The F layers are of greater importance for ionospheric reflection, and may be up to 250 km. May be useful up to 800 km. These various layers have a frequency - dependent reflectivity, and this will change day and night according to the state of ionization and the illumination causing that.
What are The planets in order of the smallest temperature?
Mercury -200 F To 328 F Venus 801 F the hotest planet in the solar system Not Mercury Earth Our Home -16 F To 127 F Mars -67 F Jupiter -125 F Saturn -172 F Uranus -224 F the coldest planet in our solar system Neptune -218 F Pluto dwarf planet planets only
What is the maximum weight that a rocket can handle?
nf ftmu gumgv d f df ef f d fd fd fd f f df f e
What is the name of the NASA Center located in Texas and Flordia?
- Lyndon B. Johnson Space Center (Texas) - John F. Kennedy Space Center (Florida)
What is another name for F region ionosphere?
Appleton
What has the author Roger David Keck written?
Roger David Keck has written: 'A linear correlation analysis of spread-F and field aligned echoes from the same region' -- subject(s): Ionosphere, Radio waves, Observations, F region
What is the type of radiation stopped in the ionosphere?
Eletromagnetic radiation with a frequency below the ionosphere's plasma frequency will generally be reflected. The specific frequency depends on the density of ionospheric plasma which can vary at different altitudes, but also different geomagnetic latitudes and from day to night. For a typical daytime mid-latitude ionosphere, the most dense part of the ionosphere, (the "F" region), will reflect radio frequencies up to ~2.8Mhz (assuming an electron density of 1e11 m-3).
What are the designations of the three primary layers of the Earth's ionosphere?
D, E, and F
What has the author M M Siddiqui written?
M. M. Siddiqui has written: 'Gram-Charlier series distribution for ionospheric F2 layer characteristics' -- subject(s): Ionosphere, Distribution (Probability theory), F region
What is another name for B flat?
F sharp is the same note.
What is another name for the F-22?
Raptor
Another name for F Clef?
the bass clef
Another name for ale containers starting with the letter f?
flagon
What is another name for gas that starts with f?
Fumes are a synonym for gas.
What is another name for female horse starting with alphabet F?
a filly
What is another name for the second law of motion?
entropy F=ma
