Early Warning (EW) Radar Radar Systems

1. Ground Control Intercept (GCI)
2. Radar Airborne Early Warning (AEW)
3. Airborne ground surveillance (AGS)
4. Over-the-Horizon (OTH) Radar

Picture(1): Ground Control Intercept (GCI)

picture(2) Airborne Early Warning (AEW)

Picture(3): Airborne ground surveillance (AGS)

Picture(4): Over-the-Horizon (OTH) Radar