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)

PayloadRequired Power (W)
Microchip CSAC (two units)0.2
Earth-GPS receiver14.7
Navigation signal generation unit35
Frequency generation and upconversion unit22
Remote terminal unit12
Total payload power, Ppayload–nav83.9