Breakdown of Payload Equipment Onboard a Navigation-Only Satellite, with a CSAC as the Satellite Clock and the Corresponding Power Requirements (Parker et al., 2022; Pereira & Selva, 2020; Schmittberger & Scherer, 2020; Wertz et al., 2011)
| Payload | Required Power (W) |
|---|---|
| Microchip CSAC (two units) | 0.2 |
| Earth-GPS receiver | 14.7 |
| Navigation signal generation unit | 35 |
| Frequency generation and upconversion unit | 22 |
| Remote terminal unit | 12 |
| Total payload power, Ppayload–nav | 83.9 |