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  "path": "/using-the-nisar-satellite-as-an-illuminator-for-passive-radar/",
  "publishedAt": "2026-03-31T04:34:54.000Z",
  "site": "https://www.rtl-sdr.com",
  "tags": [
    "Applications",
    "Satellite",
    "passive radar",
    "synthetic aperture radar"
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  "textContent": "Over on GitHub, Jean-Michel Friedt has uploaded new code, results, and findings from one of his latest experiments with passive radar. A simple passive radar system uses two coherent receive channels and two antennas. One antenna receives a clean reference signal from an illuminator of opportunity, such as an FM or TV transmitter, while the […]",
  "title": "Using the NISAR Satellite as an Illuminator for Passive Radar"
}