Amateur Extra Lesson 9.3, Antenna Systems, 11th Edition

Here’s your video introduction to Section 9.3, “Antenna Systems,” from the 11th Edition of the ARRL Extra Class License Manual for Ham Radio.

You can find a complete list of the Amateur Extra videos by clicking here, or click here to go to the YouTube Amateur Extra playlist. Please post your questions either below or on the YouTube page for this video. Good luck in your studies!

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One Response to Amateur Extra Lesson 9.3, Antenna Systems, 11th Edition

  1. Bill Taffe kb1wjk says:

    Good video. Thanks. Question … on p 9-29 of the manual it states “Remember that the impedance matching unit at the transmitter does not reduce the SWR in the feed line to the antenna.” I assume the “impedance matching unit at the transmitter” refers to the antenna tuner (correct?). Please explain the book’s assertion and what the antenna tuner is actually doing. If this is in another video that I haven’t yet watched, please forgive my impatience and point me to the proper video. Many thanks.

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