**Table 1:** Summary of observation dates, array configurations and numbers of sources observed.
Dates	Obs.	Arr.	Fields Observed
	time (h)	config.	RMS	Additional^a
25, 28th/08/2002	14	6C	37	22
19-22nd/07/2003	48	6D	152	156
15-19th/05/2004	60	6C	309	1
24-30th/11/2004	72	6D	304	7

^a Observations towards sources that passed our initial colour selection criteria
but were later excluded for various reasons (see Sect. 3.4 for details).

Source LaTeX | All tables | In the text