{
    "source": "Svenska kraftnät",
    "url": "https:\/\/www.svk.se\/services\/controlroom\/v2\/freq?toDateTime=1784630520000",
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    "unit": "Hz",
    "status": "normal",
    "message": "Frekvensen är stabil",
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        "long": -0.003405
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        "max": 50.082,
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        "points": 3600,
        "last_measurement": "2026-07-21T12:41:59+02:00",
        "updated": "2026-07-21T12:47:28+02:00"
    }
}