Article: Can you hear me now? The foundation of future spectrum.

The radio frequency electromagnetic spectrum is more important to the Department of the Navy (DON) today than it has ever been in the more than 100-year history of radio. As the diversity of spectrum applications grows, the complexity of obtaining spectrum support grows accordingly. Along with engineering, coordinating and managing the tens of thousands of frequencies used in today's complex radio systems, Navy spectrum managers also use and maintain a wide array of databases. Without them it would be impossible to reliably operate radar, telemetry networks, microwave data links, mobile radios or anything dependent on a frequency in the electromagnetic spectrum.

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