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Essays on Radio

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Shortage of Radiographers in South Africa



Words: 2775 (12 pages)

1. EXECUTIVE SUMMARY Currently there is a dire shortage of radiographers in South Africa as many seek employment overseas. South African trained radiographers are in high demand in countries such as the UK, Ireland, Canada and Australia. Radiographers in South Africa are classified by the Department of Health as a ‘scarce-skill’. Radiographers may find employment…

The Automobile and the Radio During the 1920’s

ford motor company


Words: 723 (3 pages)

The 1920’s, otherwise known as the “roaring 2o’s” was a time full of technological advancements. Some people may only associate the 1920’s with The Great Depression. They may forget or do not realize the great things that have come from that time. Two of these amazing things were the automobile and the radio. They were…

Essay – Wireless Signals

Computer network

Electrical engineering


Mass Media



Words: 504 (3 pages)

Wireless signals have pros and cons that influence their commercial use and present day application. However, no matter the progress made with wireless signal frequencies they are always subject to interference from technologies limiting their effeteness. Microwave Signals Microwave signals transmit using electromagnetic energy. Microwave signals are used commonly in long distance telephone telecommunications, cellular…

Antenna and Wave Propagation

Electrical engineering


Electronic Engineering





Words: 598 (3 pages)

MEENAKSHI SUNDARARAJAN ENGINEERING COLLEGE DEPARTMENT OF ECE EC2353-ANTENNAS AND WAVE PROPAGATION QUESTION BANK UNIT – I PART – A 1. What is retarded current? 2. Define hertzian dipole. 3. Define antenna gain. 4. What are the two types of radiation pattern? 5. State reciprocity principle. 6. Define antenna temperature. PART – B 1. Derive the…

Use Of Radioactive Elements In Medicine Biology



Words: 2053 (9 pages)

A radioactive component is an component with an unstable karyon, which radiates alpha, beta or gamma radiation and gets converted to a stable component. Both radioisotopes and enriched stable isotopes are indispensable to a broad assortment of applications in medical specialty, where they are used in the diagnosing and intervention of unwellnesss. In add-on, extended…

Radio as America’s National Mass Medium


Words: 506 (3 pages)

RadioRadio becomes Americas second national mass medium after magazines-99% of Americans homes have radios-95% of Americans cars have radios-40% of Americans listen to the radio between 6 am and midnight-7% of Americas bathrooms have radios in themRadio: A technological Leap1835 Samuel F. B. Morse demonstrates his electromagnetic telegraph systemMarch 10, 1876 Alexander Graham Bell sent…

Radio Entertainment in 1920s



Words: 2059 (9 pages)

Radio Entertainment In 1920s “Video Killed the Radio Star” is the debut song of The Buggles released September 7th 1979 but, did not make an impression on the general public until its release as the debut video on MTV at 12:01 August 1st 1981, almost 100 years after the invention of radio. Henirich Hertz, a…

Radio Frequency Identification Tags


Words: 306 (2 pages)

Example#01: RFID in mass –transit Ever since, the Radio Frequency Identification Tags (RFID) is introduced, there use is being expanding in almost every industry. One of the most successful implementation of RFID is seen in the public transportation system. The public or commuters, instead of traditional ticketing, now carry smartcards with RFID tags attached to…

The Enormous Radio summary


Words: 339 (2 pages)

Jim and Irene live in an apartment with their two children and maid. The both enjoy listening to the radio. One day the radio breaks beyond repair, so Jim tells Irene he is going to surprise her with a new one the following day. When the radio arrives Irene describes it as an ugly large…

Wireless Monitoring of Water Level Using Radio Frequency Identification



Words: 2585 (11 pages)

Wireless Monitoring of Water Level using Radio Frequency Identification (RFID) Technology In Partial Fulfillment of the Requirements in Introduction to Research in ICT Marc Dominic Cabioc Elera Marie Joaquin Denmark Padua Jeymark Palma John Nino Requina BSIT 3A October 23, 2009 Wireless Flood Monitoring Using Radio Frequency Identification (RFID) Technology ABSTRACT Radio Frequency Identification (RFID)…

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