{
  "name": "FPVダイポールおよびホイップ用RFアンテナ長計算機",
  "short_name": "F",
  "description": "868MHz、2.4GHz、および5.8GHzアンテナの正確な測定値を計算します。ドローンの通信距離を改善し、最適化されたSWRで送信機の焼損を防ぎます。",
  "start_url": "/ja/utilities/categories/drones/antenna-length-calculator/",
  "scope": "/ja/utilities/categories/drones/antenna-length-calculator/",
  "icons": [
    {
      "src": "/images/utilities/antenna-length-calculator.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}