Radar Signal Simulator (RSS) AN/PLM-4
The EDO TSO RSS is a portable, self-contained, lightweight, flexible, and cost-effective radar simulator that tests Radar Warning Receivers (RWR). The RSS is designed to test aircraft and helicopter RWR detection and identification capabilities against the latest hostile threats.

The RSS was originally designed for flight line or end of runway testing. The AN/PLM-4 is very customizable and can be adapted to perform a variety of different tasks. EDO TSO customers are already adapting the AN/PLM-4 to be used for laboratory, shipboard, and vehicle testing.

The US Air Force (USAF) selected the RSS AN/PLM-4 to replace the aging AN/APM-427. The Air Force plans to procure up to 890+ systems over the next five (5) years.

EDO TSO has several new RSS operational configurations and more on the drawing board. These configurations include:

AN/PLM-4 End-to-End Test System (ETETS) that performs automated performance evaluation of Electronic Countermeasures (ECM) and RWR sytems. The ETETS is comprised of the:

• RSS AN/PLM-4
• Rugged laptop computer with EDO TSO developed wizard driven test software
• Radio Frequency (RF) measurement device (RFMD)

The wizard driven test program enables depot level or similar Electronic Warfare (EW) engineers to design custom test applications for a system-under-test (SUT). The new test applications can then be delivered to the appropriate field locations and loaded into a ETETS laptop.

The AN/PLM-4 RF/Electro-Optical (EO) Sensor Test System enables the:

• Use of one test set package for all threat sensors, RF, Infrared (IR), Ultraviolet (UV), and laser.
• Correlation of RF and EOl threat scenarios into a visual and audio cockpit environment for EW testing, maintenance, and aircrew training.

Portable Radar Simulator (PRS)
EDO TSO’s Portable Radar Simulator (PRS) is a self-contained, flexible, and cost-effective radar simulator that tests Electronic Warfare (EW) systems.

Operators use the PRS’s internal controls and displays or its remote terminal to configure and control PRS operation. An operator, using the remote terminal, can control PRS operation up to 250 feet from the PRS.

The PRS can:

• Generate a variety of complex RF emitters/threats/signals and stimulate the system under test (SUT) via free-space radiation or direct-coupled RF.
• Be used for closed loop testing by connecting the PRS to the aircraft’s MIL-STD-1553 BUS and measuring the SUT responses to the PRS generated emitters.

EDO TSO’s Portable Radar Simulator is used at forward operating bases during operational deployments to support B-1B end of runway checks, threat-of-the-day mission changes, system maintenance.

Avionics Simulator (AVSIM)
EDO TSO's Avionics Simulator (AVSIM) simulates a variety of avionics systems that currently include:

• Inertial navigation systems
• Radar altimeters
• Doppler velocity sensors
• Gyro stabilization systems

The AVSIM can be modified/programmed to simulate other aircraft avionics systems.

Expendable Countermeasures (EXCM) Simulator
The EDO TSO EXCM Simulator enables the integrated testing of Expendable Countermeasure Systems (i.e., chaff, flares) and other aircraft avionics systems. The EXCM Simulator is controlled via a touch-screen display and a special application, developed by EDO TSO to simulate the loading and unloading of expendable countermeasures. The EXCM integrated testing ensures that aircraft avionics and the EXCM systems do not interfere with each other.

Controls and Displays (C&D) Simulator
EDO TSO’s C&D Simulator is designed to simulate the System-Under-Test (SUT) Controls & Displays. The Controls and Displays simulator works in real-time displaying true data and controlling the SUT or it can operate in a post-test environment using recorded data. Our C&D Simulator can also act as a backup to the actual SUT controls and displays.

Digital Threat Simulator (DTS)
EDO TSO’s Digital Threat Simulator simulates RF emitter/threat by generating digital words that describe the emitter/threat. The DRS bypasses the normal receiver processing that generates the emitter/threat digital description words and enables the testing without injecting or radiating RF signals into the system being tested.

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