Source	Epoch	Contour PostScript	Colour PostScript	Colour GIF
0316+162 (CTA 21) z= ? V= 23. Notes (from the published papers): CTA 21 is a prototype GPS source (Kellermann et al 1962) and has a complex structure.	03/1997 09/1997 05/1999	PS PS PS	PS PS PS	GIF GIF GIF

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