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Module: 1 Community Radio: An Introduction 4 Commonwealth Educational Media Centre for Asia Module: 2 Course - l Setting up of CRS Understanding Community Radio Module: 2 Setting up of CRS Commonwealth Educational Media Centre for Asia Commonwealth EducationalBroadcast Media Engineering1 Consultants India Ltd. New Delhi Centre for Asia Noida, UP Module: 2 Module 2: Setting up ofSetting CRS up of CRS Curriculum Design Experts Abhay Gupta, BECIL, Noida N.Ramakrishnan, Ideosync Media Combine, Faridabad Aditeshwar Seth, Gram Vaani, New Delhi Pankaj Athawale, MUST Radio; Mumbai University, Mumbai C.R.K. Murthy, STRIDE, IGNOU, New Delhi Ramnath Bhat, Maraa, Bengaluru D. Rukmini Vemraju, CEMCA, New Delhi Ravina Aggarwal, Ford Foundation, New Delhi Hemant Babu, Nomad, Mumbai Sanjaya Mishra, CEMCA, New Delhi Iskra Panevska, UNESCO, New Delhi Santosh Panda, STRIDE, IGNOU, New Delhi J. P. Nathani, BECIL, Noida Satish Nagaraji, One World South Asia, New Delhi Jayalakshmi Chittoor, Independent Consultant, New Delhi Supriya Sahu, Ministry of I & B, GoI, New Delhi K. Subramanian, BECIL, Noida V. Krishnamoorthy, Independent Consultant, New Delhi Kandarpa Das, Radio Luit, Gauhati University, Guwahati Y. K. Sharma, BECIL, Noida Module Development Team Authors Instructional Designer Chief Editor N. Ramakrishnan (Unit 5 & 6) Prof. Santosh Panda B.P. Srivastava Ideosync Media Combine Indira Gandhi National Open BECIL, Noida Faridabad University, New Delhi Module Editor H. R. Chug (Units 7 & 8) BECIL, Surat Ramnath Bhat Maraa, Bengaluru Course Development Coordinator Layout Designer Ankuran Dutta Sabyasachi Panja Language Editor CEMCA, New Delhi B Natarajan D Rukmini Vemraju CEMCA, New Delhi (up to 30.9.2013) The Commonwealth Educational Media Centre for Asia (CEMCA) is an international organization established by the Commonwealth of Learning (COL), Vancouver, Canada, to promote the meaningful, relevant and appropriate use of ICTs to serve the educational and training needs of Commonwealth member states of Asia. CEMCA receives diplomatic privileges and immunities in India under section 3 of the United Nations (privileges and immunities) Act, 1947. Broadcast Engineering Consultants India Limited (BECIL) an ISO certified, Mini Ratna public sector enterprise of Government of India was established in the year 1995 and provides project consultancy services and turnkey solutions encompassing the entire gamut of radio and television broadcast engineering viz content production facilities, terrestrial, satellite and cable broadcasting in India & abroad. It also provides associated services like trained manpower and organizing training for the technical staff in the areas of broadcast engineering. Copyright © CEMCA, 2014. This module is made available under a Creative Commons Attribution-ShareAlike 4.0 License (international): http://creativecommons.org/licenses/by-sa/4.0/ For the avoidance of doubt, by applying this license Commonwealth of Learning and Commonwealth Educational Media Centre for Asia (CEMCA) do not waive any privileges or immunities from claims that they may be entitled to assert, nor do COL/CEMCA submit themselves to the jurisdiction, courts, legal processes or laws of any jurisdiction. ISBN: 81-88770-14-0 (10 digits) 978-81-88770-14-4 (13 digits) While all efforts have been made by Editors to check accuracy of the content, the representation of facts, principles, descriptions and methods are that of the respective authors. Views expressed in the publication are that of the authors, and do not necessarily reflect the views of CEMCA/COL. All products and services mentioned are owned by their respective copyrights holders, and mere presentation in the publication does not mean endorsement by CEMCA/COL. Every effort has been made to acknowledge and attribute all sources of information used in preparation of this learning material. Readers are requested to kindly notify missing attribution, if any. For further information, contact: Commonwealth Educational Media Centre for Asia 13/14, Sarv Priya Vihar New Delhi - 110016 http://www.cemca.org.in e-mail: [email protected] Printed and published on behalf of Director, CEMCA by Mr. R. Thyagarajan, Head (Administration and Finance), CEMCA, 13/14 Sarv Priya Vihar, New Delhi - 110016, India. 2 Commonwealth Educational Media Centre for Asia Certificate in Community Radio TechnologyModule: 2 Setting up of CRS Courses Modules Units Course I: Module 1 Unit 1 : Community Radio: Concept and Understanding Community Radio: Evolution Community Radio An Introduction Unit 2: Context, Access and Equity (3 Credits, 90 Hours) Unit 3: Community Radio: Policy Guidelines Unit 4: Technology for CR: Guiding Principles Module 2 Unit 5: Components of CR Station Setting up of CRS Unit 6: Radio Waves and Spectrum Unit 7: Basics of Electricity Unit 8: Power Backup and Voltage Stabilisation Course II: Module 3 Unit 9: Basics of Sound Community Radio Studio Technology Unit 10: Analog and Digital Audio Production: System & Unit 11: Components of the Audio Chain Technology Unit 12: Studio Acoustics (5 Credits, 150 Hours) Module 4 Unit 13: Audio Hardware and Field Recording Audio Production Unit 14: Free and Open Source Software Unit 15: Telephony for Radio Module 5 Unit 16: Sound Recording and Editing Audio Post Production Unit 17: Mixing and Mastering Unit 18: File Formats and Compression Unit 19: Storing and Retrieval Module 6 Unit 20: Good Engineering Practices for Studio Studio Operations Setup Unit 21: Studio Equipment: Preventive & Corrective Maintenance Unit 22: Content Distribution: Alternative Mechanisms Course III: Module 7 Unit 23: Components of Transmission Chain Community Radio Radio Transmission Unit 24: Components of FM Transmitter Transmission: System & Technology Unit 25: Antenna and Coaxial Cable Technology Unit 26: Propagation and Coverage (2 Credits, 60 Hrs) Module 8 Unit 27: Transmitter Setup: Step-by-step FM Transmitter Setup Unit 28: Transmission System-Preventive and Corrective Maintenance Unit 29: Transmission Setup-Good Engineering Practices Course IV: Module 9 Section A: Introduction Technical Internship Practical Internship Section B: Activities to be Conducted During the (2 Credits, 60 Hrs) Handbook Practical Internship Section C: The Internship Journal and Self- Assessment Paper Section D: Assessment of Internship Section E: Appendices Commonwealth Educational Media 3 Centre for Asia Module: 2 Setting up of CRS Videos in the Module: 1. Components of a CR Station by Hemant Babu 2. Power Backup for CRS by Hemant Babu 3. Introduction to Radio Waves by Vasuki Belavadi 1. http://tinyurl.com/ogqhsmf 2. http://tinyurl.com/pdqcrgt 3. http://tinyurl.com/p5kykyc 4 Commonwealth Educational Media Centre for Asia Module: 2 Setting up of CRS CONTENTS Page No. About the Module 7 Unit 5 : Components of a CR Station 9 5.1 Introduction 5.2 Learning Outcomes 5.3 The CR Station: Siting and Space Definition 5.4 Studios for Community Radio 5.5 Equipment for CR (schematic level only) 5.6 Setting up a CRS: Activity and Video 5.7 Let Us Sum Up 5.8 Model Answers to Activities S Unit 6: Radio Waves and Spectrum 36 6.1 Introduction 6.2 Learning Outcomes 6.3 Electromagnetic Spectrum and Radio Waves 6.4 Frequency Bands for Radio Broadcasting 6.5 A Brief History of Radio Broadcasting 6.6 Regulatory Authorities and Processes 6.7 Let Us Sum Up 6.8 Model Answers to Activities Unit 7: Basics of Electricity 52 7.1 Introduction 7.2 Learning Outcomes 7.3 Electrical Basics 7.4 AC/DC Current 7.5 Load Distribution 7.6 Power Consumption and Conservation 7.7 Let Us Sum Up 7.8 Model Answers to Activities Unit 8: Power Backup and Voltage Stabilisation 70 8.1 Introduction 8.2 Learning Outcomes 8.3 Power Backup and Voltage Stabilisation ONTENT 8.4 Alternative Sources of Energy 8.5 Let Us Sum Up 8.8 Model Answers to Activities C Commonwealth Educational Media 5 Centre for Asia Module: 2 Setting up of CRS 6 Commonwealth Educational Media Centre for Asia Module: 2 Setting up of CRS About the Module In the previous module, you would have got not only an introduction to the concept of community radio, but also an idea about some of the guiding principles behind community radio, the basic technology in community radio, how community radio can be used in the context of gender and equity and so on. Now that you have put that behind you, the first step in becoming a technician for community radio is to start thinking about how to set up a community radio. This module gets you started on setting up a community radio, and the basic things you must know before beginning. This module has four units which will provide you with basic knowledge related to setting up of a community radio station. The components of a CR station are meant for you to understand the basic building blocks of what constitutes a radio station. However, some of the components are explored in-depth in the later modules. The Unit on radio waves and spectrum will be important for you to get an analytical understanding of the underlying technology of radio. While you may not get an opportunity to put this knowledge to use on a day-to-day basis, you will find this useful in understanding radio at a fundamental level. Remember that competent technicians don’t just solve problems, but they know why those problems occur as well! The Unit on basics of electricity is geared to give you a theoretical understanding of how electricity works. While working as a technician in community radio, it very well may be the case that you will be asked to solve issues which have to deal with power supply or in other words, electricity. Often there are issues like excessive voltage, uneven supply (i.e. dips or surges) of power, frequent power cuts and so on. If you have a good understanding of the concepts behind electricity, then it will equip you to come up with the best solution given the context of a particular community radio. The last Unit is related to power backup and voltage stabilisation.
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