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  "path": "/2026/05/04/a-shortwave-sensor-to-monitor-the-ionosphere/",
  "publishedAt": "2026-05-04T18:00:23.000Z",
  "site": "https://hackaday.com",
  "tags": [
    "Radio Hacks",
    "ionosphere",
    "RSSI",
    "shortwave",
    "shortwave radio",
    "…read more"
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  "textContent": "The ionosphere is of great importance to shortwave radio transmissions, since it allows radio waves to be refracted and reflected over the horizon, and it’s therefore unfortunate that the height …read more",
  "title": "A Shortwave Sensor to Monitor the Ionosphere"
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