Re fixing cores


Dave
 

I wonder what people use to fix cores such as the in the oscillator coils of DB6NT transverters. The brass core in my 5.7 ghz transverter is rather loose ( not good for a portable station) and I have seen wax mentioned on U tube but I would have thought that things like thin cotton are likely to lock and pre unpredictable.
73
Dave G4GLT.

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