9/16/2023 0 Comments Balun unun construction![]() I have since erected a wire antenna at 40', using the installation-chart. ![]() "I would like to thank you for the prompt service and excellent condition in which the item was received. If a wire length not shown in the table is installed, an antenna analyzer should used to determine the actual feedpoint impedance that will require matching for each band of operation. This unun should be used with the wire lengths listed in the table shown in the above link.Use of the 9135 for "random" wire lengths, other than shown, can potentially create an impedance that is too low for an ATU to match. Installation Notes and Recommended Wire Lengths Be sure to review the recommended antenna wire lengths in the link below to obtain the lowest SWR across most if not all HF bands. ![]() This unit utilizes stacked cores for increased power handling and added inductance for the lower frequencies. This design is excellent for matching both long and short length unbalanced wire antennas for multiband use and will allow the internal tuner of most rigs to match remotely mounted single wire antennas.
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