1. How Pulse-Doppler Radar & Active Radar Homing (Fox-3) Missiles Work
In top-tier Air Realistic Battles, modern jets employ Pulse-Doppler (PD) radars and Active Radar Homing (Fox-3) missiles (AIM-120 AMRAAM, R-77, MICA-EM). Unlike older Continuous-Wave radars confused by ground reflections, Pulse-Doppler filters out stationary terrain by measuring the Doppler frequency shift (closure velocity) of targets moving toward or away from the emitter. Pulling high-G vertical loops while flying straight toward an incoming Fox-3 missile will never break lock.
2. Executing the 90-Degree "Notch" + Chaff Defense
The moment your Radar Warning Receiver (RWR) emits a continuous high-pitched launch tone, check the bearing line of the incoming missile and bank your aircraft until the threat sits at a strict 90-degree perpendicular angle (3 o’clock or 9 o’clock on your RWR circle). At 90 degrees tangential flight, your relative radial closure velocity drops to zero—matching the Doppler speed of the ground below you. Pop 2 to 3 bundles of Chaff while inside the notch gate and change altitude to force the missile seeker onto the stationary chaff cloud.
3. Ground Forces Ballistics: APHE vs. HEAT-FS vs. APFSDS Spall Cones
In Ground Realistic Battles, choosing the wrong shell type costs kills. Up to Battle Rating 7.7, APCBC / APHE (Armor-Piercing High-Explosive) is king because its internal explosive filler detonates inside the fighting compartment in a 360-degree sphere. From BR 8.3 to 12.0, always prioritize long-rod APFSDS kinetic darts over HEAT-FS: chemical HEAT-FS jets are prematurely detonated by chain-link fences, bushes, and ERA bricks, whereas APFSDS slices through obstacles at 1,500+ m/s.