Appleton layer
,
F layer
,
F region
=
the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission
Zobacz także:
focal ratio, f number, stop number, speed •
Banting, F. G. Banting, Sir Frederick Grant Banting •
Cody, William F. Cody, William Frederick Cody, Buffalo Bill, Buffalo Bill Cody •
Fitzgerald, F. Scott Fitzgerald, Francis Scott Key Fitzgerald •
Kennan, George F. Kennan, George Frost Kennan •
Klinefelter, Harry F. Klinefelter, Harry Fitch Kleinfelter •
Mobius, August F. Mobius, August Ferdinand Mobius •
Stone, I. F. Stone, Isidor Feinstein Stone •
Curl, Robert Curl, Robert F. Curl, Robert Floyd Curl Jr. •
Skinner, Fred Skinner, B. F. Skinner, Burrhus Frederic Skinner •
Stone, Harlan Stone, Harlan F. Stone, Harlan Fisk Stone •
Roosevelt, Franklin Roosevelt, Franklin Delano Roosevelt, F. D. Roosevelt, President Roosevelt, President Franklin Roosevelt, FDR •
Morse, Samuel Morse, Samuel F. B. Morse, Samuel Finley Breese Morse •
Kennedy, Jack Kennedy, John Fitzgerald Kennedy, JFK, President Kennedy, President John F. Kennedy
