up: [[project:hgg:Antenna Design|Project HGG: Antenna Design]]

====== Project: HGG - Antenna Design / Slim-JIM ======
[[http://shackspace.de/gallery/index.php/Projekte/HGG/slimjim|{{http://shackspace.de/gallery/var/thumbs/Projekte/HGG/slimjim.png}}]]

  * A = overall length
  * B1 = 1/2 λ
  * B2 = 1/4 λ
  * B3 = A-B1-B2
  * C = adjust to 50 Ω wave impedance between solder joints
  * D = 4 turn balun to keep coax line from becoming part of the radiator

TODO
  * describe how to fine-tune C