Source	Epoch	Image	Visibility
0221+067	1995OCT12	2 GHz , 8 GHz	2 GHz , 8 GHz
	1998AUG10	2 GHz+ , 8 GHz+	2 GHz+ , 8 GHz+
	2004FEB15	2 GHz , 8 GHz	2 GHz , 8 GHz
	2005AUG26	8 GHz	8 GHz

A "+" after the frequency indicates VLBA+ observations.