**Table 1:** VLA archive observations used in this paper.
Date	wavelength	VLA	Number of	Bandwidth	Number of	Project	Time on
	(cm)	configuration.	IFs	(MHz)	visibilities	id.	source (h)
1992 Jun. 8	6	DnC	2	50	432 229	UT002	5
1997 May 4	6	B	2	50	718 939	AM551	5.7
2000 Aug. 29	6	D	2	50	29 167	AH669	0.33

Source LaTeX | All tables | In the text