Support / Downloads


                                                                 Instructions & Support Documents

  Installation Notes for Standard Baluns & Ununs

  Installation Notes for QRP Baluns & Ununs

  Installation & Recommended Wire Lengths for Unun Models 4130, 4932, 4935, 9130, 9132 & 9135
  Installation of Model 4124x

  Installation Notes for Drake Upgrade Balun 

  Recommended Feedline Lengths for Full Wave Multiband Loops

  Link to Dimensional Drawing of Standard Enclosure


                                     Off Center Fed Dipole Design Links

    Very Good "Standard Design" OCF 

  OCF Excel Design Program by Walt (KK1CW)

  OCF with 80%-20% feedpoint by W8JI

 A six band loaded OCF dipole by ON4AA