CRFS Blog

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

3DTDOA

Passive air defense: geolocating airborne targets using detector-based 3D TDoA

July 28, 2023 |

While radar is a widespread and versatile tool for detecting and locating in the battlespace, it has a critical Achilles heel. As active systems,...

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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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Spectrum Monitoring

Evading Enemy Geolocation – Spectrum Dominance & the US Army Field Manual 3-0 Operations

December 9, 2022 |

Part 2 In part 1 of our series, we looked at the new US Army Field Manual 3-0 “Operations” and key to this doctrine is the awareness that units must...

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black and white image of unmanned surface vessel
Spectrum Monitoring

Spectrum Monitoring for Unmanned Surface Vessels (USV)

November 1, 2022 |

The use of Unmanned Surface Vessels (USV) is becoming more widespread, and the removal of humans onboard brings many productivity and tactical...

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direction finding equipment
AoA

Maximizing the Value of Your Direction Finding (DF) Equipment

February 9, 2021 |

Direction Finding (DF) equipment is an incredibly costly investment, so you want to make sure you get it right, and that it suits your exact testing...

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TDOA geolocation in post-processing
Signal Analysis

Geolocation In Post-Processing

November 30, 2020 |

Expanded and updated, November 2020 Just seen an interesting transmission appear on your spectrum, but now it’s disappeared? Need to know where it...

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