Amateur Radio Station Operators Certificate Examination, ASOC Syllabus
2.1 Amateur Station Operator's Grade II Examination
Part I - WRITTEN TEST
(a) Section I:
Radio Theory and Practice:
Elementary Electricity and Magnetism:
Elementary theory of electricity, conductors and insulators, units, Ohm's Law, resistance in series and parallel, conductance, power and energy, permanent magnets and electromagnets and their use in radio work. self and mutual inductance; types of inductors used in receiving and transmitting circuits, capacitance; construction of various types of capacitors and their arrangements in series and/or parallel.
Elementary Theory of Alternating Currents:
Sinusoidal alternating quantities peak, instantaneous, R.M.S, average values, phase, reactance, impedance, capacitance, power factor, resonance in series and parallel circuits; coupled circuits; transformers for audio and radio frequencies.
Thermionic Valves:
Construction of valves; Thermionic emission, characteristics, curves, diodes, triodes and multi-electrode valves; use of valves as rectifier, oscillators, amplifiers, detectors and frequency changers, power packs, stabilization and smoothing, elementary theory and construction of semi-conductor devices - diodes and transistors.
Radio Receivers:
Principles and operation of T.R.F. and superhetrodyne receivers, CW reception, receiver characteristics - sensitivity, selectivity, fidelity; adjacent channel and image interference; A.V.C and squelch circuits; signal to noise ratio.
Transmitter:
Principles and operation of low power transmitter; crystal oscillators, stability of oscillators.
Radio Propagation:
Wave length, frequency, nature and propagation of radio waves; ground and sky waves; skip distance; fading.
Aerials / Antennas:
Common types of transmitting and receiving aerials / antennas.
Measurement of frequency and use of simple frequency meters.
b) Section II: Regulations:
(a) Knowledge of
- Wireless telegraph Rules
- Wireless telegraph (Amateur Service) Rules
(b) Knowledge of International Radio Regulations as relating to the operation of amateur station with particular emphasis on the following:-
- Designation of Emission 104 - 110
- Nomenclature of the Frequency and wavelength 112 Frequency Allocations to
- Amateur Service Article 5
- Measures against interference 667 - 677
- Interference and Tests 693 - 703
- Identification of Stations 735 - 737, 743, 772 - 773
- Distress and Urgency 1389 - 1396
- Transmissions 1477 - 1478, 1481, 1483
- Amateur Station 1560 - 1567
- Phonetic Alphabets and figure code Appendix 16
(c) Standard Frequency and Time Signals Services in the world.
(d) The following 'Q' codes and abbreviations whic shall have the same meaning as assigned to them in the conversation:-
RA, QRG, QRH, QRI, QRK, QRL, QRM, QRN, QRQ, QRS, QRT, QRU, QRV, QRW, QRX, QRZ, QSA, QSB, QSL, QSO, QSU, QSV, QSW, QSX, QSY, QSZ, QTC, QTH, QTR, QUM.
Abbreviations:
AA, AB, AR, AS, C, CFM, CL, CQ, DE, K, NIL, OK, R, TU, VA, WA, WB.
Advanced Amateur Station Operators Examination have 12 WPM morse code test and written test.
There is some addition to Grade II Syllabus in Radio Theory and same syllabus for Regulations.
2.3 Advanced Amateur Station Operators Examination
Part 1 - WRITTEN TEST
(a) Section 1: Radio Theory and Practice:
In addition to the syllabus prescribed for Amateur Station Operators Grade II examination, following terms shall be included in the syllabus of Advanced Amateur Station Operator's examination:-
(1) Motors and Generators - Elementary principles and construction of alternators, motors and Generators.
(2) Alternating currents - Construction of transformers, transformer losses, transformer as matching device.
(3) Measuring Instruments - Moving coil and moving iron meters, Frequency meters.
(4) Semi-conductor devices and Transistors - Elementary principles of conduction and construction, symbols, biasing methods.
(5) Power Supplies - Half wave and full wave rectifiers, smoothing and regulation, bridge rectifier.
(6) Modulation - Principles of frequency modulation.
(7) Transmitters and Receivers - Elementary principles of transmission and reception of Facsimile and Television signals, elementary principles of transmitters and receivers employing single side band.
(8) Propagation - Characteristics of ionosphere and troposphere. Properties of different reflecting layers, optimum working frequency, day and night frequencies.
(9) Aerials - Principles of radiation, aerials for different frequency bands including aerials for microwave.
(10)Space Communications - Elementary principles of communication via satellite.
