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%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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