Spectrum Awareness

Achieve 24/7 spectrum awareness

Direction finders for land-based, airborne, or shipboard use from Rohde & Schwarz detect any signal from 300 kHz to 8.2 GHz in practically no time. Even extremely brief emissions of only 500 µs (e.g. GSM) can be located.

White paper

An introduction to direction finding methodologies

All direction finding methodologies have the same goal: determining the physical or geographical location of a source of radio frequency energy. Learn about the basic concepts and different types of direction finding, hybrid methodologies and more in this white paper.

Image: An Introduction to Direction Finding Screen Capture

Webinar: An Introduction to Direction Finding

This webinar goes back to basics to review the different Direction Finding technologies. Direction finding technologies can be based on changes in amplitude, frequency, or phase. Each of these technologies can have their advantages and limitations.

Technical Papers

DF Accuracy Requirements for Monitoring Stations

This white paper describes the contributions to system level Direction Finding accuracy.

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Effortless testing of direction finding devices

This document describes our test solution for testing devices that use amplitude comparison techniques.

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Hybrid AOA/TDOA White Paper

This white paper explains the locating methods AOA and TDOA including their differences. It furthermore describes products and solutions for efficient spectrum monitoring with hybrid geolocation.

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Receiver Requirements for TDOA Systems

Monitoring receivers must meet certain requirements to be used in a TDOA-based radiolocation system. This application brochure describes these requirements as well as other parameters that are of interest when selecting sensors.

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Interference Hunting in TDD Networks

The R&S®PR100 portable receiver, the R&S®MNT100 RF interference locator and the R&S®DDF007 portable direction finder provide a polychrome display that enables users to visually separate two or more pulsing signals that occupy the same frequency spectrum.

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Raising standards in air traffic systems

R&S®DF-ATC-S direction finding systems raise standards in air traffic safety by increasing the controller’s situational awareness. Benefits include georeferencing call aircraft, fast reliable aircraft identification, and simple recognition of readback errors.

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Spectrum Clearance in mobile networks

The R&S®MNT100 RF interference locator detects, analyzes and locates even complex pulsed interference signals. With the direction finding (DF) and PC-based radiolocation software upgrade, sources of interference can be located automatically and strikingly faster than with other solutions on the market.

DDF1555 Compact Direction Finder

Outdoor Applications

The R&S®DDF1555 compact direction finder combines accurate direction finding with wideband monitoring capabilities in a compact housing suitable for outdoor use.

DF-ATC-S Direction Finding System

Air Traffic Control Solutions

Radio Direction finding for civil and military ATC

The new air traffic control DF system solution provides accurate and reliable direction finding for both civil and military airports. The system enables ATC controllers to accurately determine which aircraft is transmitting on the frequency.