Radar warning receiver

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Revision as of 02:03, 13 October 2023 by The_Crashy_Boi (talk | contribs) (Minor rewriting.)

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Introducing Wiki 3.0
The War Thunder standard RWR display showing a Pulse-Doppler "track" on 5 o'clock.

A Radar Warning Receiver (RWR) is a system that informs the pilot about incoming radar radiation, allowing for proper action if needed. In game, the RWR varies a lot between models, but most of them are a clock display which shows the type of threat (search radar or tracking radar), the source and the direction.

Understanding the RWR

Msg-info.png Note: Radar Warning Recievers are only capable of detecting certain bands. Therefore, it may not be able to give a warning for radars outside of the RWR's band range.

Basic function

The RWR warns the pilot about any outside radar that may be detecting, tracking or launching a radar guided missile at the user's aircraft, as long as the threat isn't in the RWR blindspots (often directly above or below)

If a radar is sending a single "ping" at you (a search radar is detecting you), the RWR will sound a short warning and show the direction it is coming from. RWR can show multiple pings at once from different directions and sources. If you hear a constant alarm and see a striped line coming from the ping towards the center of the RWR, a tracking radar has locked you and is constantly tracking your position (which usually precedes a missile launch). Finally, a faster alarm along with blinking warnings in the RWR indicate a missile launch, which requires inmediate action.

Some RWRs are unable of distinguishing between search radars and tracking radars, so if your RWR is one of them, instead of a constant alarm you may only be able to distinguish between the both by how frequently the ping updates (A constant tone that doesn't go away may indicate a tracking radar).

There may be lamps which indicate the type of radar that's detecting or tracking the aircraft, for example PD (Pulse-Doppler), A/D (Air Defence), AAA/AI (Anti-Aircraft Artillery/Airbone Radar) and much more, although the most dangerous of them all is CW which is the guidance method for most SAHR missiles.

Now, there are many types of RWR which vary a lot in function, which will be now explained in detail accordingly
RWR indicating a radar lock at 2 o'clock.

Standard RWR

This type of RWR is the one that's commonly found on most aircraft that carry one. They display the exact direction and the type of threat that's detecting the aircraft.

Many of them are capable of detecting tracking radars, and some can even detect if the threat has launched a radar guided missile, allowing for inmediate evasive action. More advanced RWRs may be able to show the vehicle that's triggering the RWR as long as they're inside the RWR's database.

Sectored RWR (SPO-10, SPO-15 and others)

SPO-10 RWR.
A soviet SPO-15 RWR.

This type of RWR doesn't display the exact direction of the detected threat, and instead only shows it in sectors. One of the most common RWRs that use sectors for displaying threats are the ones used by the MiG-21 and early MiG-23 variants, which only show 4 sectors. Each sector shows an approximation of the direction of the target, although it has its limitations. In order to show that a target is directly ahead, the RWR has to light up 2 sectors that look forwards, and if a target is directly behind, it has to light up 2 sectors that look backwards. This could be easily confused for two different threats that are triggering the RWR system.

Semi-Directional RWR (SPO-2)

Unique to the Su-7B family of jets and the MiG-19S, this RWR only warns about radiation that's coming from behind as it only has a single antenna. Historically, this RWR was designed to warn the pilot about an enemy that was using the rangefinder radar behind the aircraft, but in-game it gives proper warnings up to 40km away as long as the radiation is an I Band type coming from the rear. Note that this RWR lacks tracking capability.

RWR with no tracking capability (AN/ALR-45, AN/APR-25, f95, SPO-2, APP-73 and others)

These RWRs function like normal with a key difference: If a radar locks the aircraft, there won't be a special text and audio warning, forcing the user to be more attentive to the RWR display and sounds.

However, these RWRs can still show the difference between a search and a tracking radar, as once the plane is being tracked, the search ping extends into a constant tone that won't go away, along with the ping icon refusing to fade away.

Note that even if the RWR lacks tracking capability, it may still be able to give proper missile launch warnings if the RWR has that capability.

Symbols

  • AI (Air-to-Air) - Airbone Radar
  • AI R/O - Airbone Rangefinder
  • AI TRK - Airbone Radar (Tracking)
  • PD (Pulse Doppler) - Pulse Doppler Radar
  • CW - Continuous Wave (Guidance method of most SARH missiles)
  • A/D (Air Defense) - Air Defense System
  • SAM (Surface-to-Air Missile) - SAM Radar
  • SAM TRK - SAM Radar (Tracking)
  • AAA (Anti-Aircraft Artillery) - Anti-Aircraft Artillery
  • AAA/AI - Anti-Aircraft Artillery Radar/Airbone Radar
  • AAA TRK - Anti-Aircraft Artillery Radar (Tracking)
  • S125 - Volma-M (used by Bravy)
  • S75 - NOT INGAME
  • SA75 - NOT INGAME

List of RWR systems

RWR systems
Name Band Track Equipped by
C D E F G H I J K - M
Spain flag.png ALR-400 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/ALQ-73 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/ALR-45(V) Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.pngIcon RedXCross.png
USA flag.png AN/ALR-56M Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/ALR-67(V)2 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/ALR-68(V) Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/ALR-69 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USA flag.png AN/APR-25 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
USA flag.png AN/APR-27 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
USA flag.png AN/APR-32 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
USA flag.png AN/APR-36 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
USA flag.png AN/APR-39 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png
USA flag.png AN/APR-39A(V)1 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png
USA flag.png AN/APR-46 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png  ?
Sweden flag.png APP F9/5 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
Sweden flag.png APP-27 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Sweden flag.png APP-73 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Britain flag.png ARI 18223 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Britain flag.png ARI 18228 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Britain flag.png ARI 18241/1 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Britain flag.png ARI 23284 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Britain flag.png ARI 23333/1 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Japan flag.png J/APR-1 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
Japan flag.png J/APR-6 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
China flag.png KJ8602 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
China flag.png KJ8602A Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
France flag.png Mirage Detecteur Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png
China flag.png RW-30 Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png  ?
China flag.png RWR Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png  ?
France flag.png SERVAL Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USSR flag.png SPO-2 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png
USSR flag.png SPO-10 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
USSR flag.png SPO-15 Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png
USSR flag.png SPO-15LM Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png
USSR flag.png SPO-150 Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
Israel flag.png SPS-200 Icon RedXCross.png Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
France flag.png Sherloc Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon GreenCheckmark.png
China flag.png Type 930-4 Icon RedXCross.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png  ?

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