Free-Space Path Loss
Calculate free-space path attenuation from frequency and distance without adding antennas or system losses.
Result
Free-space path loss (dB)
128.003
Formula
Calculation logicFormula definitions and substituted values.
Free-space path loss (dB)
32.44 + 20 * log10(Frequency (MHz)) + 20 * log10(Path length (km))
32.44 + 20 * log10(Frequency (MHz)) + 20 * log10(Path length (km))Related calculators
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