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Every NASA missions requires use of the electromagnetic spectrum to communicate with our spacecraft and send vital data back to Earth. NASA’s Space Communications and Navigation (SCaN) program provides spectrum management on behalf of NASA at both the national and international stages, enabling secure and efficient communication networks for NASA.

Rainbow stripes with a satellite in the background.

Spectrum Overview

Overview of the electromagnetic spectrum.

The electromagnetic spectrum is comprised of all frequencies of electromagnetic radiation that propagate energy and travel through space in the form of waves. NASA utilizes a number of tools that allow us to communicate and create images utilizing almost every single component of the electromagnetic spectrum in one way or another.

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Graphic depicting digital and analog waves.