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|Cushcraft R7 40m Section||Aug 6th 2014, 15:28||1||603||on 6/8/14|
|Cushcraft R7 40m Section||ZS6ELI||on 6/8/14|
|I use a Cushcraft R7 vertical as my HF antenna. Only problem when I bought it, it has the 20m trap and then a top peace, that I presume is "AF", so its missing the 30m trap and 40m section.
I was told I could add a piece of Aluminium onto the "AF" piece and then be able to tune for 40m, however does anyone know what length I should add on?