{"product_id":"u-s-navy-ts-323-ur-heterodyne-frequency-meter-complete-with-cables-charts","title":"U.S. Navy TS-323\/UR Heterodyne Frequency Meter Complete with Cables \u0026 Charts","description":"\u003cp\u003e\u003cspan\u003eOriginal U.S. Navy TS-323\/UR Heterodyne Frequency Meter manufactured for the Bureau of Aeronautics by Radio City Products Co., Inc., New York. This precision battery-powered frequency standard was used by Navy and military communications technicians to accurately calibrate aircraft, shipboard, and ground radio transmitters and receivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis example remains exceptionally complete, retaining its fold-down operating panel with original frequency charts, battery compartment, original accessory cables, and factory identification plates. Instruments such as the TS-323\/UR were essential test equipment during the late World War II and early Cold War period and are highly collectible among military communications and aviation electronics enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOriginal military finish.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData plates crisp and legible.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes original frequency index charts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes original cables\/accessories.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBattery powered.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUntested and sold as a historical collectible.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent surplus condition.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43177101131853,"sku":null,"price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/4EAB9C0A-4E18-49F7-9D7D-D747D78D4E63.jpg?v=1782762329","url":"https:\/\/whiskeyrebellionantiques.com\/products\/u-s-navy-ts-323-ur-heterodyne-frequency-meter-complete-with-cables-charts","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}