Archives: Glossary Terms: 691 terms

DSN Receiver & Ranging Processor within the Downlink Channel (DC) of the Downlink Tracking & Telemetry subsystem (DTT).

DSN Radio Science System. Also, radio science data.

Radioisotope Thermo-Electric Generator onboard a spacecraft.

Round-Trip Light Time, elapsed time roughly equal to 2 x OWLT.

A range of microwave radio frequencies in the neighborhood of 2 to 4 GHz.

Solar Array, photovoltaic panels onboard a spacecraft.

Broken arc of illuminations seen at the limb of very young or old lunar crescents. The visual similarity to the ...

Spacecraft Assembly Facility, JPL Building 179.

Synthetic Aperture Radar

Also known as a saros cycle, a period of 223 synodic months that can be used to predict solar and ...