[TowerTalk] 40m add- on spikes question
bjk at ihug.co.nz
Mon May 19 15:55:03 EDT 2003
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
More information about the TowerTalk