Solar Large-Scale Emitting Chains: Evidences of Reality and Some Features,
by I.M. Chertok
Fig. 1. The modified Nobeyama radio heliograms (a,c) of May 11-13,
1993 at 17 GHz showing a transequatorial microwave chain 1-2-3-4 coinciding
in its central part with the boundary of the soft X-ray coronal hole observed
with Yohkoh/SXT (b,d).
