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  "path": "/2026/03/30/using-a-scientific-satellite-for-passive-radar/",
  "publishedAt": "2026-03-30T11:00:34.000Z",
  "site": "https://hackaday.com",
  "tags": [
    "Radio Hacks",
    "antenna",
    "gps antenna",
    "l-band",
    "passive radar",
    "radar",
    "sdr",
    "…read more"
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  "textContent": "The basic principle of radar systems is simple enough: send a radio signal out, and measure the time it takes for a reflection to return. Given the abundant sources of …read more",
  "title": "Using a Scientific Satellite for Passive Radar"
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