Veteran hams remember the infamous "Russian Woodpecker" over-the-horizon radar that wreaked havoc on the HF bands in years past. Recently, Anthony Cake, HB9EIG/G1RUL (son of Brian Cake, KF2YN, author of ARRL's Antenna Designer's Notebook[1]), journeyed to one of the antenna sites in Ukraine to use it as an obstacle course for drone flying. Click here[2] to watch the wild video.