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Free Space Path Loss Calculator
Calculate signal loss in free space propagation
📖 Free Space Path Loss
The Free Space Path Loss estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.
📊 Result
💡 Tips & Information
- Formula: FSPL = (4πdf/c)²
- Measured in decibels (dB)
- Higher frequency = more loss
- Longer distance = more loss
- Used in radio communications