primary relay station
121Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …
122Divis — Dubhais Elevation …
123North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… …
124Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …
125Email — This article is about the communications medium. For the former manufacturing conglomerate, see Email Limited. The at sign, a part of every SMTP email address[1] Electronic mail, commonly known as email or e mail, is a method of exchanging… …
126Hubble Space Telescope — Infobox Space telescope name = Hubble Space Telescope (HST) caption = The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission (STS 82) organization = NASAESASTScI alt names = nssdc id =… …
127DuMont Television Network — Type Broadcast television network Country …
128CTV Atlantic — This article is about a terrestrial television system. For the cable only channel airing CTV Two programming, see CTV Two Atlantic. ATV (Canada) redirects here. For the Bell Media owned Canadian television system that has used the URL atv.ca from …
