DETAILED SYLLABUS
Amateur Station Operator’s License Examination
Part I - Written Test
Section A: Radio Theory and Practice:
(I) Elementary Electricity and Magnetism:
1. Elementary theory of electricity- Passive Devices (Resistors; Inductors, Transformers, Capacitors) and Active Devices (Diodes; Transistors).
2. Kirchhoff’s current and voltage laws- Simple applications of the law.
3. Conductors and Insulators - Properties; units of circuit elements, Ohm’s Law.
4. Conductance - Definition of self and mutual inductance;
5. Power and energy- Definition, Units and simple applications.
6. Permanent magnets and electromagnets - Definition, properties and their use.
(ii) Elementary Theory of Alternating Currents:
1. Sinusoidal alternating quantities - Definition of peak, instantaneous, R.M.S., average values and its simple application.
2. Phase, reactance, impedance, power factor- Definition, units and simple applications.
3. Parallel and Series Circuits series and parallel circuits containing resistance, inductance, capacitance; resonance in series and parallel circuits, coupled circuits.
4. Rectifiers, voltage regulation and smoothing circuits - Their basic knowledge and simple application.
(III) Elementary theory of Semiconductor Devices:
1. Diodes and transistors- Properties use of these devices for construction of amplifiers, oscillators, detectors and frequency changers.
(IV) Radio Receivers:
1. Principles and operation of T.R.F. and super heterodyne receivers.
2. CW reception.
3. Receiver characteristics-sensitivity, selectivity, fidelity, adjacent channel and image interference, A.V.C. and squelch/circuits signal to noise ratio.
(v) Transmitter:
1. Principles and operation of low power transmitter, crystal oscillators, stability of oscillators.
2. Basic knowledge about construction of Semiconductor based transmitters.
(VI) Radio Wave Propagation:
1. Basic knowledge of Electromagnetic Spectrum.
2. Wave length, frequency, frequency bands.
3. Nature and propagation of radio waves, ground and sky waves, space waves, skip distance, skip zone and fading.
(VII) Aerials: Common types of transmitting and receiving aerials.
(VIII) Frequency Measurement: Measurement of frequency and use of simple frequency meters.
Section B: Radio Regulations:
(a) Knowledge of:-
(i) The Indian Wireless Telegraph Rules, 1973.
(ii) The Indian Wireless Telegraphs (Amateur Service) Rules, 1978 and amendments.
(b) Knowledge of ITU Radio Regulations as relating to the operation of amateur stations with particular emphasis on the following Item
Provision of Radio Regulation (2008 edition)
1. Designation of Emission: Appendix-I
2. Phonetic alphabets and figure code: Appendix 14
3. Nomenclature of the Frequency & Wavelength: Article 2
4. Frequency allocation for Amateur Services: Article 5
5. Interference measures against interference & tests: Article 15
6. Identification of Stations: Article 19
7. Distress Signal, Call and Message. Transmissions: Article 30, 31, 32 & 33.
8. Urgency Signal, Call and Message Transmissions: Article 30, 31, 32 & 33.
9. Amateur Station: Article 25
10. Call Sign series allocated to India: Appendix 42
(c) Standard Frequency and Time Signals Services in the World.
d) The following ‘Q’ codes and abbreviations shall have the same meaning as assigned to them in the Convention.
QRA, QRG, QRH, QRI, QRK, QRL, QRM, QRN, QRO, QRS, QRT, QRU, QRV, QRW, QRX, QRZ, QSA, QSB, QSL,QSO, QSU, QSV, QSW, QSX, QSY, QSZ, QTC, QTH, QTR, and QUM.
Abbreviations: AA, AS, AR, AS, C, CFM, CL, CQ, DE, K, NIL, OK, R, TU, VA, WA, WB.
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In addition to the syllabus prescribed for restricted grade examination, the following items are included for the General Grade examination.
1. Principles of Communication
a. Elementary idea of analog and digital communication.
b. Need for modulation; Modulation - amplitude, frequency and pulse modulation.
c. An elementary idea about demodulation.
2. Alternating Current
a. Basic concepts about the construction of transformers
b. Definition of Transformer losses
c. A transformer as a matching device
3. Semiconductor devices and Transistors
a. Elementary principles of conduction and construction
b. Symbols and biasing methods
4. Power Supplies
a. Basic knowledge of half-wave and full-wave rectifiers
b. Definition and application of Bridge rectifier, smoothing and regulating circuits
5. Transmitters and Receivers
a. Elementary principles of transmission and reception of Facsimile and Television signals
6. Propagation
a. Characteristics of ionosphere and troposphere
b. Properties of ionosphere layers
c. Critical frequency and day/night frequencies
7. Aerials
a. Principles of radiation
b. Aerials for different frequency bands including aerials for microwave
8. Space Communications
a. Elementary principles of communication via satellites
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