radiated spectrum
101Automatic meter reading — [ smart meter ( [http://www.elstermetering.com/en/1914.shtml Elster REX type R15] ) with 900MHz mesh network topology for AMR] Automatic meter reading, or AMR, is the technology of automatically collecting data from water meter or energy metering …
102Mars Science Laboratory — mission 2011 concept artwork Operator NASA Major contractors Boeing Lockheed Martin …
103X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …
1041.25-meter band — The 1.25 meter band is a portion of the VHF radio spectrum allocated for amateur radio use in ITU Region 2, comprising frequencies from 222 MHz to 225 MHz in the United States (with the addition of 219–220 MHz on a limited, secondary basis) and… …
105Cellular traffic — This article discusses the mobile cellular network aspect of teletraffic measurements. Mobile radio networks have traffic issues that do not arise in connection with the fixed line PSTN. Important aspects of cellular traffic include: quality of… …
106Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …
107Wireless electronic devices and health — For mobile phones, see Mobile phone radiation and health. The World Health Organization has acknowledged that electromagnetic fields (EMFs) are influencing the environment (but not people), and that some people are worried about possible… …
108Cyber electronic warfare — (cyber EW) is any military action involving the use of electromagnetic energy to control the domain characterized by the use of electronics and the electromagnetic spectrum to store, modify, and/or exchange data via networked systems and… …
109climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
110France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
