Deep Space Atomic Clock from China
Mercury-ion atomic clock for GPS-III and future deep space navigation, certified under 9808.00.8000 for NASA international timekeeping standards. Provides 1x10^-15 stability over 23 days for interplanetary laser ranging.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• NASA certification for Deep Space Atomic Clock technology demonstration mission
• Include Allan deviation stability specifications and magnetic field tolerance
• Document optical bench alignment procedures for zero-gravity operation