Deep space bands and near space bands are frequency bands that have been allocated to space research services by the International Telecommunication Union for use in deep space and near space research.
Frequency allocations in MHz| Band designation | Deep space bands (for space stations more than 2,000,000 km from Earth) | Near space bands (for space stations less than 2,000,000 km from Earth) | ||
|---|---|---|---|---|
| Up-link (Earth to space) | Down-link (Space to Earth) | Up-link (Earth to space) | Down-link (Space to Earth) | |
| S band | 2110–2120 | 2290–2300 | 2025–2110 | 2200–2290 |
| X band | 7 145–7 190 | 8 400–8 450 | 7 190–7 235 | 8 450–8 500 |
| K band | * | * | * | 25 500–27 000 |
| Ka band | 34 200–34 700 | 31 800–32 300 | * | * |
* = No assignment or not supported by the DSN
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References
"201, Rev. C Frequency and Channel Assignments" (PDF). JPL. 2014. Retrieved 2020-06-28. https://deepspace.jpl.nasa.gov/dsndocs/810-005/201/201C.pdf ↩