Critical Frequency in Microwave Theory Formulas

Critical Frequency refers to the highest frequency at which a radio wave can be transmitted vertically and still be refracted back to the Earth’s surface. And is denoted by F_cr. Critical Frequency is usually measured using the Hertz for Frequency. Note that the value of Critical Frequency is always positive.

Formulas to find Critical Frequency in Microwave Theory

fxCritical Frequency for Vertical IncidenceGo

List of variables in Microwave Theory formulas

fx Maximum Electron Density Go

FAQ

What is the Critical Frequency?

Critical Frequency refers to the highest frequency at which a radio wave can be transmitted vertically and still be refracted back to the Earth’s surface. Critical Frequency is usually measured using the Hertz for Frequency. Note that the value of Critical Frequency is always positive.

Can the Critical Frequency be negative?

No, the Critical Frequency, measured in Frequency cannot be negative.

What unit is used to measure Critical Frequency?

Critical Frequency is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Critical Frequency can be measured.

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