Occultation of a solar active region at 1.5 GHz during the eclipse of November 3, 1994 K. R. Subramanian, H. S. Sawant, F. C. R. Fernandes and J. R. Cecatto A&A, 447 3 (2006) 1121-1123 Published online: 10 February 2006 DOI: 10.1051/0004-6361:20052857