timdux·6 tahun yang lalu·discussMars calendar, each year has 24 months: https://en.wikipedia.org/wiki/Darian_calendarSolar system time: https://en.wikipedia.org/wiki/Barycentric_Coordinate_Time
timdux·6 tahun yang lalu·discussYes, that's the clock holdover circuit, usually built using a OCXO or double OCXO or rubidium clock. It's good for 4 to 24 hours. Example:[0] https://www.rakon.com/19-rak-product/rak-product-ocxo
timdux·6 tahun yang lalu·discussAll terrestrial base stations (1) require GPS signal for time synchronization. Most of them can run for 4 hours - 24 hours without GPS, but that's it, after that holdover period it's dead.There is no GPS signal on the moon. That's a problem.(1) except micro base stations
Solar system time: https://en.wikipedia.org/wiki/Barycentric_Coordinate_Time