Composite: Sum of C/a and P code Composite C/A+P(Y) signals seconds ClA code bits 0 PY code bits () -20 seconds 02/27/02 12.540Lec0702/27/02 12.540 Lec 07 8 Composite: Sum of C/A and P code 0 C/A code bits (h) 0 Composite C/A+P(Y) signals ~3 µseconds (g) 0 P(Y) code bits ~20 µseconds (i)