Antenowo: https://www.arrl.org/shop/ON4UN-s-Low-Band-DXing https://www.amazon.de/Rothammels-Antennenbuch-Alois-Krischke/dp/3886920658 https://www.arrl.org/shop/ARRL-Antenna-Book-23rd-Softcover-Edition/ oraz https://www.arrl.org/shop/ARRL-Handbook-2017-Hardcover-Edition/ |