LIBRARIES CENTERS have historically A N D MEDIA been facilities in which recorded information and, more recently, equipment needed to display that information, have been centralized for the convenience of students and other users of such information. During the past decade a subtle but very important shift has taken place in the importance of local access to information. In the library applicat...

Radio Frequency (RF) engineers are faced many times with the following two questions: “What are the effects of radio waves on human health?” and, more specifically, “What health risks are associated with the use of cell phones, mobile radios, microwave radios, microwave ovens, broadcast radio and television transmitters, power lines and X-rays?” In recent times, many people have expressed an in...

Sharpening media competition over the past decade has led to a sort of inflation in the use of the concept of public service with respect to radio and television services. From once having been of primarily historical significance, public service has become a key concept in the regulation of publicly and privately owned radio and television channels. By attaching concrete and significant privil...

background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...

The study examinesthe application of linear programming to gametheoryin finance using how the Telecommunicationfirms determine optimal strategy from television and radio advertisements given thateach companyseeks gain largest market share. methodology used involved a Game Theoretic approach programming. result analysis showed that for MTN maintain its position as leader in industry, it should i...

In the attempt to bring modern broadband Internet features to traditional broadcast television, the Digital Video Broadcasting (DVB) consortium introduced a specification called Hybrid Broadcast-Broadband Television (HbbTV), which allows broadcast streams to include embedded HTML content which is rendered by the television. This system is already in very wide deployment in Europe, and has recen...

Wireless technology is creating a revolution in communications. While systems such as broadcast radio and television have been around for many years, many new types of wireless communication systems are emerging such as digital cellular, personal communications services (PCS), and packet radio. Two powerful techniques are usually employed to make communication over wireless mobile fading channe...

There are few countries in the world where television is thought to be fulfilling its potential for the communication of culture and the illumination of public affairs: least of all is it doing so in new and small nations. Yet there is a tendency for people In each country to think that their problems are indigenous problems, that television is much better elsewhere. In some countries it is ass...

Pub. L. 110–53, title XX, § 2031(a), (b), Aug. 3, 2007, 121 Stat. 515, provided that: ‘‘(a) FINDING.—Congress finds that the report of the National Commission on Terrorist Attacks Upon the United States stated that ‘Recognizing that Arab and Muslim audiences rely on satellite television and radio, the government has begun some promising initiatives in television and radio broadcasting to the Ar...