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Instant detection. 📡 The advanced Active Electronically Scanned Array radar, AESA, on the F-35 Lightning II detects, locates and identifies threats using a single array of electronically controlled transmitters and receivers. With no moving parts, this robust solid-state system operates with extreme speed and reliability to ensure our pilots...

15,009 görüntüleme • 5 gün önce •via X (Twitter)

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TomcatJunkie 🇺🇸 profil fotoğrafı
TomcatJunkie 🇺🇸5 gün önce

Hell yeah

josea profil fotoğrafı
josea4 gün önce

Amazing 🤩

Seid Ibrahim profil fotoğrafı
Seid Ibrahim5 gün önce

👍👍👍

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Just tracked a randomly selected transmitter using the Kraken SDR, and it only took about 10 minutes of driving. This is classic “fox hunting” in the amateur radio community: a longstanding direction-finding sport that pits operators against each other in locating hidden signals. Yet beyond the fun, it delivers a sobering real-world demonstration of how rapidly any transmitting station can be located the moment it keys up. The Kraken SDR achieves this with a compact circular array of five evenly spaced dipole antennas connected to fully phase-coherent receivers. All five channels share a common high-precision clock source and run continuous calibration to maintain synchronization. As the incoming RF wavefront reaches each antenna at microscopically different instants, the system measures the resulting time-of-arrival differences (equivalent to phase shifts across the array). Using advanced correlative interferometry and the known physical geometry of the antenna placement, it computes the precise direction of arrival (bearing) in real time and overlays it directly on an interactive map. Mitigation techniques are essential if you wish to minimize your detectable footprint: transmit at the absolute lowest effective power required, limit yourself to extremely short bursts, employ directional antennas carefully oriented away from potential listeners, implement frequency agility or hopping patterns where feasible, and, when operational security demands it, maintain complete radio silence. In today’s environment, understanding and managing your RF signature is no longer optional.

Off Grid Pete

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