The COSETI Observatory
Diffraction-Limited Beams
- ETI Transmitter Gains
- ETI Transmitter EIRPs
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Antenna Gains
- Microwave SETI
- 300 meter Arecibo dish at 1.5 GHz
- Gain = 74 dB
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- Optical SETI
- 10 meter Keck-type telescope at visible wavelengths
- Gain = 154 dB
- 80 dB (100 million gain advantage)
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