Vortrag DL4NAC HL3K 2018 http://www.bavarian-contest-club.de/storage/med/papers/linden2018/291_Hilberling_als_Contest-Transceiver_-_BCC_Treffen_am_20_Jan_2018.pdf?fCMS=cc972d5d5f2c4985db84c46b8beb938c