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.
Surface Wave Propagation. en Illustration demonstrating the path followed by Surface Wave propagation which is also referred to as line of sight propagation Army Signal Center and Fort Gordon Army PDUSGov Uploaded with Radio Propagation Uncategorized April
Page 2023 Free-images.com. All images are Public Domain