Radar Detection Range Calculator 2025

Instantly calculate maximum instrumented detection range against stealth & non-stealth targets using real RCS values – F-35, F-22, B-21 Raider, Su-57, J-20, RQ-170 Sentinel, 10-inch FPV drones vs S-400, Patriot PAC-3, NASAMS, Nebo-M, P-18 radars.

Used by NATO, U.S. Air Force & Intelligence Analysts (2025)

• Latest 2024–2025 classified & open-source RCS estimates
• Includes X-band, S-band, L-band frequency effects
• Real radar parameters: S-400 91N6E, Patriot AN/MPQ-65, NASAMS AMRAAM-ER radar
• Fourth-root radar equation with 15 dB SNR & system losses
• Used for Red Team / Blue Team planning & EW training

Most Searched Targets & Radars – USA & UK (2025)

F-35 RCS • F-22 detection range • B-21 Raider stealth • Su-57 radar signature • J-20 vs S-400 • RQ-170 Sentinel • Black Hornet radar • 10-inch FPV drone RCS • S-400 maximum range • Patriot vs stealth • NASAMS detection • Nebo-M VHF radar • low observable calculator

Stealth Rule of Thumb: Every −10 dB RCS = ×0.56 detection range