SourceEpochImageVisibility
1845+797
3C390.3
1997JAN10 2 GHz , 8 GHz 2 GHz , 8 GHz
1999AUG02 8 GHz+ 8 GHz+
2002JAN16 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.