On the Cushcraft 40 meter add on kit, they are definitely traps tuned to 20
At 02:55 PM 5/19/2003 +1200, Barry Kirkwood wrote:
>I am curious about the design of the 40m add on spikes attached to the
>driven elements of some tribanders.
>Do they use 20m parallel traps, ie coil and capcitor , or are they
>"Lattin traps" ie simply a loading coil which acts as an rf choke to keep
>the 20m energy out of the spike?
>Barry Kirkwood PhD ZL1DD
>Signal Hill Homestay
>66 Cory Road
>Waiheke Island 1240
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