TABLE 2

The day-to-day repeatability as well as weekly and monthly STDs of BeiDou satellite B1I-B3I DCBs from the iGMAS-only (IGM), MGEX-only (MGX), and iGMAS-plus-MGEX (COM) solutions

ConstellationDay-to-day scatter (ns)Weekly STD (ns)Monthly STD (ns)
IGMMGXCOMIGMMGXCOMIGMMGXCOM
BDS-2GEO (5)0.1710.1420.1180.1390.1210.1000.1580.1410.109
IGSO (7)0.0720.1190.0880.0560.0820.0620.0820.1000.074
MEO (3)0.1560.1640.1580.1280.1500.1380.1370.1540.131
BDS-3SIGSO (1)0.1010.1580.0870.0620.1310.0660.0740.1320.065
BDS-3MEO CAST (10)0.1880.1690.1430.1580.1380.1020.1680.1700.117
MEO SECM (8)0.1740.1670.1330.1500.1420.1040.1530.1530.109