Radar Warning Receiver

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This is the IP-1150A RWR Azimuth Indicator used along with Raytheon (Litton) AN/ALR-93(V)1

Radar Warning Receiver (RWR) detects radio emissions from radar systems, it consists of several antennas, a processing unit, a radar library and an Azimuth Indicator (RWR display), and can be controlled by Threat Warning Prime or Threat Warning Auxiliary The main purpose is to issue warnings when a radar signal that may pose a threat is detected, such as a fighter jet's fire control radar. Warnings can then be used manually or automatically to circumvent detected threats. In addition, the distance of the emitter symbol from the center of the scope will not always be proportional to the actual distance, some ambiguities have been introduced.

There have few variants for RWR use in the F-16s in difference variants, depends on the CMDS it uses, and each having their own custom modes of operation, azimuth indicator, sounds, controls and direction-finding accuracy.
Note: Different audio recordings may have varying volume levels.

BAE Systems (Loral) AN/ALR-56M

The BAE Systems (Loral) AN/ALR-56M is mostly replaced by Raytheon (Litton) AN/ALR-69(V).

AN/ALR-56M can be receiver signal from C/D band (0.5-2 GHz) and E through J band (2 to 20 GHz), the direction-finding accuracy have 15 degrees (E through J band); omnidirectional (C/D band).

It use IP-1310/ALR for the azimuth indicator (Image below). Note that this is not a monitor, but an oscilloscope.

Ip-1310.jpg

Element Type Position Function
INT Rotary pot 0-100 Set display brightness on RWR

Azimuth indicator symbols

ALR-69 56M Symbols.png

RWR Sound

Audio Information
New airborne radars signal detected
New ground-based radars signal detected
New missile launch detected
Missile launch recycle (still tracking after ~10s)
BIT test
BIT test failed

Raytheon (Litton) AN/ALR-69(V)

Raytheon (Litton) AN/ALR-69(V) can be receiver signal from C/D band (0.5-2 GHz) and E through J band (2 to 20 GHz), the direction-finding accuracy have 15 degrees (E through J band); omnidirectional (C/D band).

It use same azimuth indicator as the AN/ALR-56M IP-1310/ALR(Image below) for the azimuth indicator. Note that this is not a monitor, but an oscilloscope.

Ip-1310.jpg

Element Type Position Function
INT Rotary pot 0-100 Set display brightness on RWR

Azimuth indicator symbols

ALR-69 56M Symbols.png

RWR Sound

Audio Information
New airborne radars signal or ground-based radars signal detected
New missile launch detected
Missile launch recycle (still tracking after ~10s)
BIT test, same as launch tone but repeat 1 time after 0.5s after the first tone end.

Raytheon (Litton) AN/ALR-93(V)1

Raytheon (Litton) AN/ALR-93(V)1 can be receiver signal from C/D band (0.5-2 GHz) and E through J band (2 to 20 GHz), the direction-finding accuracy have 15 degrees (E through J band); omnidirectional (C/D band).

It use IP-1150A for the azimuth indicator (Image below). Note that this is not a monitor, but an oscilloscope.

IP-1150A 2.pngIP-1150A 1.png

IP-1150A 3.jpg

Element Type Position Information
BRIL Rotary pot 0 - 100 Set display brightness on RWR
Night and day

(NI in BMS)

2-Way switch NIGHT Toggle brightness for night flight
DAY Toggle brightness for day flight

Azimuth indicator symbols

ALR-93 Symbols.png

RWR Sound

Audio Information
New airborne radars signal or ground-based radars signal detected
Spiked by airborne radars or ground-based radars
New missile launch detected

Elisra SPS-1000V-5

Elisra SPS-1000V-5 can be receiver signal from C through J band (0.5-18 GHz), the direction-finding accuracy have 15 degrees (C through J band).
The ELISRA SPS-1000V-5 is used in the IAF F-16C-30 Barak I.

SPS1000 1.png

Element Type Position Function
INT Rotary pot 0-100 Set display brightness on RWR

Azimuth indicator symbols

ALR-93 Symbols.png

RWR Sound

Audio Information
New airborne radars signal or ground-based radars signal detected
New missile launch detected

Elisra SPS-3000

AN/ALR-56M can be receiver signal from C/D band (0.5-2 GHz) and E through J band (2 to 20 GHz), the direction-finding accuracy have 15 degrees (E through J band); omnidirectional (C/D band).
The ELISRA SPS-3000V is used in the IAF F-16C-40 Barak II and F-16C-52+ SUFA.

SPS-3000 1.png

Azimuth indicator symbols

ALR-69 56M Symbols.png

RWR Sound

Same as AN/ALR-93(V)1

Audio Information
New airborne radars signal or ground-based radars signal detected
Spiked by airborne radars or ground-based radars
New missile launch detected

Thales Airborne Systems Carapace (TASC)

Thales Airborne Systems Carapace (TASC) can be receiver signal C through K band (0.5 to 40 GHz). Notably, it is the only RWR designed for installation in F-16s that offers exceptional direction-finding accuracy of 1 degree (C through K band) across these frequency bands.
The Thales Airborne Systems Carapace is used in the F-16AM Block 15 BAF.

TASC 1.png

Element Type Position Function
INT Rotary pot 0-100 Set display brightness on RWR

Azimuth indicator symbols

ALR-69 56M Symbols.png

RWR Sound

Audio Information
New airborne radars signal detected
New ground-based radars signal detected (High volume warning)
New missile launch detected
RWR power on
BIT test ok
BIT test Alpha
BIT test Failure