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Table 1 Performance requirements for the Galileo SoL service
Level A requirements | Level B requirements | Level C requirements | |
|---|---|---|---|
SIS integrity risk | 2.0 e-7 in any 150 sec | 1.0e-7/ 1 h | 1.0e-5/ 3 h |
Continuity risk | 8.0e-6 in any 15 sec | 1.0e-4 to 1.0e-8 / 1 h | 3.0e-4 / 3 h |
Availability of service | 99.5 % | 99.5 % | 99.5 % |
Time to alarm | 6 sec | 10 sec | 10 sec |
Accuracy (95%) H / V | 4 m / 8 m | 220 m / NA | 10 m / NA |
HAL / VAL* | 40 m / 20 m | 556 m / NA | 25 m / NA |