echo receiving point
21December 2010 — was the twelfth month of that year. It began on a Wednesday and ended after 31 days on a Friday. Portal:Current events This is an archived version of Wikipedia s Current events Portal from December 2010 …
22Navenby — Coordinates: 53°06′36″N 0°31′26″W / 53.110°N 0.524°W / 53.110; 0.524 …
23Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
24Duplex (telecommunications) — A duplex communication system is a system composed of two connected parties or devices that can communicate with one another in both directions. The term multiplexing is used when describing communication between more than two parties or devices …
25Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
26Rush (band) — Infobox musical artist Name = Rush Img capt = Alex Lifeson, Geddy Lee, and Neil Peart of Rush 30th Anniversary tour photo, 2004 Img size = 250 Landscape = yes Background = group or band Years active = 1968–present Origin = Toronto, Ontario,… …
27Southend-on-Sea — Southend redirects here. For other uses, see Southend (disambiguation). Borough of Southend on Sea Aerial view of Southend on Sea …
28international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
29Judaism — /jooh dee iz euhm, day , deuh /, n. 1. the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the… …
30telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
