CRFS Blog

Stay up-to-date with RF technology insights to help you understand and exploit the electromagnetic environment. 

Border Security Monitoring

Geolocation techniques for RF border surveillance in remote areas

April 27, 2023 |

International borders are prime targets for criminal activity, with weapons, drugs, and even humans being smuggled between countries by land, sea,...

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RFeye Site

New RFeye Site Release – Improvements for Enhanced Drone Detection

March 21, 2022 |

When combating hostile or unauthorized drones/UAS, the more warning an operator can get of a UAS/drone approaching, the greater the chance they will...

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Counter Drone System
Drone detection

Counter Drone System Q&A

September 10, 2020 |

31 Counter-Drone !uestions You Need to Ask Last month’s webinar, “The Anatomy of An Effective Counter Drone Solution”, generated far more questions...

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Cargo container ship
Jamming & Spoofing

AIS Spoofing Detection with TDOA

August 8, 2019 |

What is AIS? The AIS (Automatic Identification System) is designed to allow ships, boats and other maritime vessels to provide information about...

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TDOA Geolocation
DF & Geolocation

How Accurate is TDOA Geolocation?

September 20, 2017 |

TDOA (Time Difference Of Arrival), also known as multilateration, is a well-established technique for the geolocation of RF emitters. Using three or...

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