point-to-point radio transmission
51Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
52Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
53R-Point — Infobox Film name = R Point imdb id = 0417072 director = Kong Su chang producer = Choi Kang hyeok Jang Yun hyeon writer = Kong Su chang starring = Gam Wu seong Son Byung ho Oh Tae kyung Park Won sang Lee Seon gyun Ahn Nae sang Kim Byeong cheol… …
54Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… …
55Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
56Maritime mobile amateur radio — An emergency portable boat radio transceiver, Museal ship S/S Sołdek in Gdańsk, Poland Most countries amateur radio licences allow licensed operators to install and use radio transmission equipment while at sea. Such operation is known as… …
57Professional Mobile Radio — (also known as Private Mobile Radio (PMR) in the UK and Land Mobile Radio (LMR) in North America) are field radio communications systems which use portable, mobile, base station, and dispatch console radios and are sometimes based on such… …
58Warsaw radio mast — Infobox building building name=Warsaw Radio Mast caption=The Warsaw radio mast in Konstantynów building type=Mast radiator insulated against ground location=Konstantynów, Gąbin, Poland coordinates=coord|display=inline,title|52|22|14|N|19|48|23|E|t… …
59Campus radio — This article is about the term of the college radio station. For an Internet radio station, see Campus Radio Online. Campus radio (also known as college radio, university radio or student radio) is a type of radio station that is run by the… …
60Skip (radio) — In radio propagation, skip is when a radio signal is reflected or refracted by the atmosphere or ionosphere, and returns to Earth in an unexpectedly far away place. This phenemon happens often with AM radio, enabling listeners to hear broadcasts… …
