TABLE 2

Threat Spaces of Representative Signals

SignalThreat ModelΔ (Chips)fd (MHz)σ (MNp/s)
GPS L1 C/ATM-A−0.12 – 0.12
TM-B4 – 170.8 – 8.8
TM-C−0.12 – 0.127.3 – 130.8 – 8.8
BDS B1CTM-A−0.05 – 0.05
TM-B1.5 – 180.1 – 20
TM-C−0.05 – 0.051.5 – 180.1 – 20
BDS B2aTM-A−0.5 – 0.5
TM-B4 – 180.1 – 18
TM-C−0.5 – 0.54 – 180.1 – 18