ADTRAN announced on February 4, 2025, that the Brazilian National Observatory (Observatório Nacional) has integrated its OSA 3300 Super High-Performance optical cesium atomic clock into its timekeeping infrastructure. This marks the first use of an optical pumping cesium clock at the observatory.
The deployment enables the observatory to maintain and distribute legal Brazilian time with unmatched performance, delivering twice the short and long-term stability of leading magnetic cesium clocks. The OSA 3300 SHP also offers double the operational lifespan, ensuring consistent, high-precision synchronization.
This technology solidifies the observatory’s role as a leader in timekeeping and a critical contributor to the global UTC standard, supporting national and regional research and education. The OSA 3300 SHP, the newest addition to the Oscilloquartz synchronization portfolio, leverages industry-first optical pumping technology for exceptional stability.
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