Questions and Answers
Match the following terms related to Sky Wave Propagation with their definitions:
Critical Frequency ($f_c$) = The highest frequency which can be reflected by a particular layer at a vertical incidence Virtual Height ($h$) = The height to which a short pulse of energy sent vertically upward and traveling with the speed of light would reach taking the same two ways to travel time as does the actual pulse reflected from the layer Maximum Usable Frequency (MUF) = The maximum possible value of frequency for which reflection takes place for a given distance of propagation Skip distance = The minimum distance on the surface of the earth from where the signal is transmitted and the first point of reflection from the ionosphere
Match the following equations related to Sky Wave Propagation with their corresponding variables:
$f_c = 9\sqrt{N_m}$ = Critical Frequency $h =\dfrac{cT},{2}$ = Virtual Height $f_{muf} = 3.6 f_c$ = Maximum Usable Frequency (MUF) $d = \dfrac{1},{2} \sqrt{g t^2}$ = Distance
Match the following definitions related to Sky Wave Propagation with their corresponding terms:
The highest frequency which can be reflected by a particular layer at a vertical incidence = Critical Frequency ($f_c$) The height to which a short pulse of energy sent vertically upward and traveling with the speed of light would reach taking the same two ways to travel time as does the actual pulse reflected from the layer = Virtual Height ($h$) The maximum possible value of frequency for which reflection takes place for a given distance of propagation = Maximum Usable Frequency (MUF) The minimum distance on the surface of the earth from where the signal is transmitted and the first point of reflection from the ionosphere = Skip distance
Match the following variables related to Sky Wave Propagation with their corresponding equations:
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Match the following terms related to Sky Wave Propagation with their corresponding equations:
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Nye gbe naawo $\bullet$ Hãɖeɖe nɔnɔ gbe naa wòe ɖeka ɖe radio wave. $\bullet$ Eɖeɖe yi fãwoe ɖe gãtɔ ɖe ionospheric layer nɔnɔ ɖe atɔmosia nɔ. $\bullet$ Eɖeɖe yi nɔnɔ "ionospheric wave propagation." $\bullet$ Ɖe hãɖeɖe yi nɔnɔ gbe naa wòe naa fɔɖe 3 MHz si 30 MHz. $\bullet$ Ionospheric layer kã asɔwoe electromagnetic waves nɔnɔ naa fɔɖe 3 si 30 MHz. $\bullet$ Eɖeɖe yi nɔnɔ naa fɔɖe naa fɔɖe 30 MHz siwoe naa kãtɔe.
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Nye gbe naawo $\bullet$ Hãɖeɖe nɔnɔ gbe naa wòe ɖeka ɖe radio wave. $\bullet$ Eɖeɖe yi fãwoe ɖe gãtɔ ɖe ionospheric layer nɔnɔ ɖe atɔmosia nɔ. $\bullet$ Eɖeɖe yi nɔnɔ "ionospheric wave propagation." $\bullet$ Ɖe hãɖeɖe yi nɔnɔ gbe naa wòe naa fɔɖe 3 MHz si 30 MHz. $\bullet$ Ionospheric layer kã asɔwoe electromagnetic waves nɔnɔ naa fɔɖe 3 si 30 MHz. $\bullet$ Eɖeɖe yi nɔnɔ naa fɔɖe naa fɔɖe 30 MHz siwoe naa kãtɔe.
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Nye gbe naawo $\bullet$ Hãɖeɖe nɔnɔ gbe naa wòe ɖeka ɖe radio wave. $\bullet$ Eɖeɖe yi fãwoe ɖe gãtɔ ɖe ionospheric layer nɔnɔ ɖe atɔmosia nɔ. $\bullet$ Eɖeɖe yi nɔnɔ "ionospheric wave propagation." $\bullet$ Ɖe hãɖeɖe yi nɔnɔ gbe naa wòe naa fɔɖe 3 MHz si 30 MHz. $\bullet$ Ionospheric layer kã asɔwoe electromagnetic waves nɔnɔ naa fɔɖe 3 si 30 MHz. $\bullet$ Eɖeɖe yi nɔnɔ naa fɔɖe naa fɔɖe 30 MHz siwoe naa kãtɔe.
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Nye gbe naawo $\bullet$ Hãɖeɖe nɔnɔ gbe naa wòe ɖeka ɖe radio wave. $\bullet$ Eɖeɖe yi fãwoe ɖe gãtɔ ɖe ionospheric layer nɔnɔ ɖe atɔmosia nɔ. $\bullet$ Eɖeɖe yi nɔnɔ "ionospheric wave propagation." $\bullet$ Ɖe hãɖeɖe yi nɔnɔ gbe naa wòe naa fɔɖe 3 MHz si 30 MHz. $\bullet$ Ionospheric layer kã asɔwoe electromagnetic waves nɔnɔ naa fɔɖe 3 si 30 MHz. $\bullet$ Eɖeɖe yi nɔnɔ naa fɔɖe naa fɔɖe 30 MHz siwoe naa kãtɔe.
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