Analog clocks are designed to receive the radio time signal (WWVB) emitted by the U.S. Atomic Clock located at Fort Collins, Colorado. Once received the exact hour, minute and second are displayed. Spring and fall corrections are automatically addressed. U.S. Atomic Clock in Fort Collins Colorado is accurate  to + / – 1 second in 1.8 million years.

  • Atomic Wall Clocks

    Analog clocks are designed to receive the radio time signal (WWVB) emitted by the U.S. Atomic Clock located at Fort Collins, Colorado. Once received the exact hour, minute and second are displayed. Spring and fall corrections are automatically addressed. U.S. Atomic Clock in Fort Collins Colorado is accurate to + / - 1 second in 1.8 million years.