{"product_id":"wwii-apr-4-radar-tuning-unit-tn-17-apr-4","title":"WWII APR-4 Radar Tuning Unit TN-17\/APR-4","description":"\u003cp\u003e\u003cspan\u003eWWII APR-4 Radar Tuning Unit TN-17\/APR-4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e274–320 MC – CRO-125-DAY-45-RC\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOriginal WWII-era U.S. military radar tuning unit for the APR-4 radar\/intercept receiver system. Marked TN-17\/APR-4 with frequency range 274–320 MC. Heavy-duty precision-built microwave\/radio tuning assembly featuring original controls, autosweep\/manual selector, shielded housing, and aircraft-style military construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe APR-4 system was used for airborne radar detection, monitoring, and electronic intelligence applications during the WWII period and early Cold War era.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Original military data plate\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Autosweep\/manual tuning controls\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Precision frequency dial\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Heavy shielded chassis construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Original military connectors and fittings\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• WWII-era electronic warfare\/radar equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn excellent collector piece for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• WWII radar collections\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Electronic warfare equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Airborne radio\/radar systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Signal Corps \u0026amp; aviation electronics\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Museum and display collections\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition: Untested, as found. Displays well with strong original finish and markings.\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43022662893645,"sku":null,"price":325.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/5ECF4A31-2730-45E1-B507-1602FCE6C6E8.jpg?v=1779469615","url":"https:\/\/whiskeyrebellionantiques.com\/products\/wwii-apr-4-radar-tuning-unit-tn-17-apr-4","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}