Feature09/24/2009 | Force 12, C-3S — Adding the Fifth Band
As mentioned in a previous article, the Force C-3S is a very robust Yagi and its design is ideal for extending coverage up to five bands by application of linear resonator techniques. One of the attractive design features is that the Force 12 antenna uses
Feature01/30/2009 | The Force 12 C-3S Yagi -- A 17 Meter Modification
Using a linear resonator to add 17 meters to the CS-3S.