Morphology of the nonspherically decaying radiation beam generated by a rotating superluminal source: comment.
The same elementary disproof of the claimed "nonspherical" decay that I have given before applies. A comment asserting the correctness of the relevant formula from a standard text on electrodynamics is added at the end.
Hannay
J H
JH
H.H. Wills Physics Laboratory, University of Bristol, Bristol, UK. j.h.hannay@bristol.ac.uk