{"product_id":"hf-antenna-induction-loading-coil-with-sliding-tuner-for-portable-radio-systems","title":"HF Antenna Induction Loading Coil with Sliding Tuner for Portable Radio Systems","description":"\u003chr aria-hidden=\"true\" class=\"a-divider-normal\"\u003e     \u003ch1 class=\"a-size-base-plus a-text-bold\"\u003e About this item \u003c\/h1\u003e                 \u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Precision Tuning: The JPC-12 induction coil is an essential HF antenna loading component featuring a smooth-sliding regulator. Replace cumbersome screws with an intuitive slider to achieve a 1.1–1.3 SWR, ensuring rapid and effortless frequency calibration  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Enhanced Reliability: Engineered with an upgraded high-tension contact spring, this coil ensures a consistent, low-resistance connection to the induction path. This design minimizes signal noise and provides the stable, clear performance required for portable amateur radio operations  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Verified Tuning Guide: Master your bands with our precision reference guide (Note: Tuning positions refer to coil circles; markings are not present on individual coils): 7MHz: 4 circles from the Aluminum Tube; retract rod ~10cm. 14MHz: 6 circles from the rod side; retract rod ~20cm. 21.4MHz: 4 Aluminum Tube sections + 7 rod sections + 10cm. 29.6MHz: Full rod extension; retract ~0.5 section.  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Field-Ready Durability: Built from high-grade Aluminum Tube and rugged precision components, this coil is designed to withstand the rigors of SOTA\/POTA deployments. Its robust construction ensures longevity, making it a dependable cornerstone for any portable outdoor radio kit  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Seamless System Integration: As a core modular upgrade, the JPC-12 induction coil offers perfect, out-of-the-box compatibility with GOOZEEZOO JPC-12 and JPC-7 HF vertical antenna systems. No complex adapters are required—simply install and optimize your station’s performance instantly  \u003c\/span\u003e\u003c\/li\u003e  \u003c\/ul\u003e            \u003cdiv data-csa-c-content-id=\"voyager-product-details-jumplink\" data-csa-c-slot-id=\"voyager-product-details-jumplink\" data-csa-c-type=\"link\" class=\"a-section aok-hidden\" data-csa-c-id=\"euv3fk-jov5v8-ckx8dl-kqd16h\"\u003e \u003cspan class=\"caretnext\"\u003e›\u003c\/span\u003e \u003ca id=\"seeMoreDetailsLink\" class=\"a-link-normal\" href=\"#productDetails\"\u003e See more product details \u003c\/a\u003e \u003c\/div\u003e","brand":"GOOZEEZOO","offers":[{"title":"Default Title","offer_id":49875746554115,"sku":"B0F13K8YV3","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/3031\/2451\/files\/41RQJZub_cL._SX800.jpg?v=1792202205","url":"https:\/\/purrosa.com\/products\/hf-antenna-induction-loading-coil-with-sliding-tuner-for-portable-radio-systems","provider":"Purrosa","version":"1.0","type":"link"}