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Table 1: Secondary code assignment in GPS and Galileo systems.

GPS Galileo Signal type Code name Code length Signal type code name Code length L5-Data NH10 10 E5a-Data CS20 20 L5-Pilot NH20 20 E5a-Pilot $\text{CS}{100}_{1-50}$ 100 L1C-Pilot $\text{OC}{1800}_{1-210}$ 1800 E1c CS25 25 E5b-Data CS4 4 E5b-Pilot $\text{CS}{100}_{51-1001}$ 100 E6c $\text{CS}{100}_{1-50}$ 100