FM 3-21.5 (FM 22-5) HEADQUARTERS DEPARTMENT OF THE ARMY JULY 2003 DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. *FM 3-21.5(FM 22-5) FIELD MANUAL No. 3-21.5 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON‚ DC‚ 7 July 2003 DRILL AND CEREMONIES CONTENTS Page PREFACE........................................................................................................................ vii Part One. DRILL CHAPTER 1. INTRODUCTION 1-1. History .....
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The Function of a Crystal Radio What is the first thing that comes into your mind when you think about the function of the radio? Is the first thing that pops into your mind the word ‘magic’? Despite the fact that it seems like it is magical and comes out of the air‚ radio and the use of the radio is very scientific. When broken down and analyzed‚ the function of the radio is more scientific than magical. The miraculous way that you can send out invisible information through thin air and can
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Electromagnetic waves in space See the book “Optics” by Hecht sections 3.2 and 3.3 Speed of light: EM waves travel in a vacuum with speed c = c = 299‚792‚458 ms-1 exactly They are transverse waves with (vector) E and B field orthogonal to each other‚ for this section bold indicates vector quanties. When far from the source (many wavelengths) the E and B fields are in phase The vector E x B points in the direction of motion Travelling waves can be written as E = E 0 ⋅ ei ( kx −ωt ) and B = B 0 ⋅ ei
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Radio One Inc. is a company that was founded in 1980 by Catherine Hughes who had learned the radio business while teaching at Howard University. Catherine and her husband purchased WOL-AM in Washington‚ D.C. for just under one million dollars. Hughes changed the format from R&B music and public affairs to talk radio. To cut back on expenses the Hughes became radio personalities. Expansion for Radio One began in 1987 when the Hughes’ purchased WMMJ-FM in Washington for about $7.5 million and
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| Radio One‚ Inc. | Memo To: Mr. Alfred Liggins III From: Team 5 Date: [ November 22‚ 2011 ] Re: Clear Channel Communications Inc. acquisitions Mr. Liggins The recent merger between Clear Channel Communications Inc. and AMFM has presented a rare opportunity for Radio One‚ Inc. The proposed divestiture of Clear Channel will be the largest in the history of the industry. Radio One‚ Inc. can acquire 12 established urban stations in the top 50 markets‚ which rarely become available. Market
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seven different waves. The waves are in the order of how big the wavelength is and its frequency‚ from the biggest to the smallest: Radio waves‚ Micro waves‚ Infrared‚ Visible light‚ Ultra Violet‚ X-rays and Gamma rays. Each of them has their own special use in everyday life. For example‚ to turn on a TV you need to use Radio waves‚ to heat your food you use Microwaves and X-rays are used to look into people’s bodies. Some waves‚ like Radio waves can be as big as a building or waves like Gamma rays
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LEVEL OF AWARENESS AND IMPORATNCE OF RADIO COMMUNICATION ON BOARD A Research Paper Presented to the Marine Transportation Department John B. Lacson Colleges Foundation-Bacolod Alijis‚ Bacolod City In Partial Fulfillment of the Requirements for the Degree Of Bachelor of Science in Marine Transportation By: Chapter 1 INTRODUCTION Communication is easily overlooked‚ but the ability to communicate effectively is necessary to carry out the thoughts and visions
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Project Management Project on ‘Launching an Asian Radio Station’ Faculty of Professional Studies Table of contents Page 1. Introduction 3 2. Critical Review using PM
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of an electronic wave packet in the unifonn field in the interelectrode space of the vacuum photodetector is investigated. It is shown that the dimensions of such a packet must be of an order or more then one micron. It is shown that such localized charges can give rise to abrupt pulses of the current in the external circuit of the photodetector. The determination ofparameters of such packet by powerful laser pulse scattered with is discussed. The motion of one-electron wave packet in the nonuniform
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topics about sound waves‚ what interests me and what I would like to learn about. November 4th: I started to research the basics and a sound wave and its properties. I also to notes on what a sound wave is and how frequency affects a sound wave. November 7th: Possible Topics What is a sound wave The Nature Of a Sound Wave Sound waves through different mediums Instrumental sound waves How microphones and headphones work How humans interpret sound (range of hearing) Convert Sound Waves Into Electromagnetic
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