Effect of East Gyro Drift and Initial Azimuth Error on the Compass Azimuth Alignment Convergence Time

Table 9

Convergence times for different T_d and different initial azimuth misalignments.

Initial azimuth error (°)	Td (s)	200	300	400	500
4	Convergence time (s)	273	410	548	685
	Ratio	1.37	1.37	1.37	1.37
3	Convergence time (s)	263	395	526	658
	Ratio	1.32	1.32	1.32	1.32
2	Convergence time (s)	209	314	418	523
	Ratio	1.05	1.05	1.05	1.05
1	Convergence time (s)	203	304	406	507
	Ratio	1.02	1.02	1.02	1.02
0.5	Convergence time (s)	200	300	400	500
	Ratio	1	1	1	1