Target Gain Factor Calculator

This everythingRF calculator calculates the target gain factor in RADAR communication. The Target Gain Factor is calculated using radar cross section and wavelength. The Target Gain Factor is also known as Gain of Target Cross Section, Gain of Radar Cross Section(RCS), Equivalent Gain of RCS and Gain sub Sigma (dB).


  • Target Gain Factor (Gσ)
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         Gσ = 10Logσ + 20Log(f) - 38.54

                       f = c/ λ


Gσ = Target Gain factor

σ = Radar Cross-section or Scattering co-efficient of target

f = frequency

c = speed of light

λ = Wavelength