Table 3: Type of noise for the stable and unstable sources as qualified by scheme (e), expressed as the percentage of the types of noise in both categories.

Type	Stable sources		Unst. sources
of noise	RA	Dec	RA	Dec
White	56%	69%	55%	60%
Flicker	40%	30%	38%	32%
Random walk	4%	1%	7%	8%