Construction and building of a scale model of the Berlin TV-Tower
https://www.ijon.me/wp-content/uploads/2015/02/IMG_3176-e1455107936134.jpg18201937ijonhttps://www.ijon.me/wp-content/uploads/2016/02/logo-website-ijon-300x138.pngijon2015-08-13 12:45:312016-08-19 15:34:55Subantenna of c-base