The only reason for the RDF not rotating would be if the conning tower DAT file has been changed in some way. Either by enabling a skin mod that is packed into a DAT which is not designed to be used with GWX or an uncompatible version of the Twisty Persicope mod, for example. Things like this will cause the problem you describe. Of course, there is also the official GWX mod which disables the Rotating RDF loop altogether.
With a 100% untouched version of GWX 1.03 the RDF loop will be raised & rotating.
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