Cobra Gemini

Frequencies: S and X Band
Average Power: 50 kW (S Band) and 35 kW (X Band)
Bandwidth: 300 MHz (S Band) and 1,000 MHz (X Band)
Resolution: 0.25m in range (S Band) and 0.8m in range (X Band)
Target Detection Example: -5 dBsm target at 1,000 km over a 20° wide horizon surveillance fence.

Notes: Cobra Gemini is a dual-band radar which transmits both S and X band energy from the same dish.

(Photograph of Cobra Gemini radar (arrow) in its sea-based configuration on the Invincible, a U.S. Naval T-AGOS ship)