This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Basicnetworkatu.svg en Basic network for the ATU page own based upon File Basicnetworkatu Ken File Basicnetworkatu Amateur radio diagrams Antenna diagrams Antenna tuner
Page 2023 Free-images.com. All images are Public Domain