Multifrequency interferometer and radio continuum monitoring observations of CTA 102 F. T. Rantakyrö, K. Wiik, M. Tornikoski, E. Valtaoja and L. B. Bååth A&A, 405 2 (2003) 473-485 Published online: 19 June 2003 DOI: 10.1051/0004-6361:20030579