Originally Posted by
ORAC
You would seem to be correct, the mention I have found of DIALECT from the Neatishead Air Defence Museum defines it as the “Dialect ARI 18228 EW system.”
My reference book mentions a system used to counter Soviet jamming codenamed "Winkle". Introduced between 1965 and 1968 it consisted of a high speed rotating aerial and was installed at four sites. It was worked together with a Type 85 radar to establish the position of the jamming source.