I-10K Double Trombone Tuning System

 

I-10K Assembly Diagram showing the Double Trombone Tuning System.
T1 and T2 are adjusted for the user's operating frequency. The assembly instructions cross references the approximate frequency or band with what length the Tuning elements T1 and T2 should be.
A SWR Meter or Antenna Analyzer is needed to measure the I-10K SWR. for fine tuning.