antenna stub
51Critical frequency — In telecommunication, the term critical frequency has the following meanings: In radio propagation by way of the ionosphere, the limiting frequency at or below which a wave component is reflected by, and above which it penetrates through, an… …
52Torre de Collserola — General information Type Television tower, Observation tower Location …
53National Centre for Radio Astrophysics — Type Research Institution Director Swarnakanti Ghosh Location …
54Nitto Denko — Co. Ltd. 日東電工株式会社 Type Public TYO: 6988 Industry Chemical Founded October 25, 1918 …
55Croydon transmitting station — Croydon Height of mast 152 metres (499 ft) Built 1955, 1962 BBC region BBC London ITV region …
56Geotrupidae — Geotrupes egeriei Scientific classification Kingdom: Animalia …
57Kojál radio transmitter — Kojál transmitter The Transmitter Kojál (also known as Morava transmitter) is a facility for FM and TV transmission at Kojál Hill near Brno in the Czech Republic. Its aerial mast is a 340 metre high guyed mast. Mast is third tallest structure in… …
58Murata Manufacturing — Co., Ltd. 株式会社村田製作所 Type Public (TYO: 6981) Industry Electronic components …
59Communications receiver — The National HRO, a classic communications receiver circa 1930s. A communications receiver is a type of radio receiver used as a component of a radio communication link. Contents …
60Hitachi Cable — Hitachi Cable, Ltd. 日立電線株式会社 Type Public kabushiki gaisha Traded as TYO: 5812 Industry Manufacturing (non ferros metal) Predecessor Hitachi, Ltd …
