Amateur Radio Station Operators Certificate Examination, ASOC Syllabus

Amateur Radio Station Operators Certificate Examination, ASOC Syllabus

The Syllabus for Grade I and Grade II written tests are same. For Grade I you need to appear 12 WPM morse code test and for Grade II 5 WPM morse code test. For Restricted grade licence there is only the written test no morse code test.

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 electro

magnets 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.

Elememtary 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, stabilisation and smoothing,

elementary theory and construction of semi-conductor

devices - diodes and transistors.

adio Receivers:

Principles and operation of T.R.F. and superhetrodyne

receivers, CW reception, receiver characteristics - sensitivity, selectivity, fidility; adjacent channel

and image interferance; A.V.C and sqelch circuits;

signal to noice ratio.

Transmitter:

Principles and operation of low power transmitter;

crystal oscillators, stability of oscillators.

Radio Propogation:

Wave length, frequency, nature and propogation of

radio waves; ground and skywaves; skip distance;

fading.

Aerials:

Common types of transmitting and receiving aerials.Frequency Measurement:

Measurement of frequency and use of simple

frequency meters.

b) Section II: Regulations:

(a) Knowledge of

(1) Wireless telegraph Rules

(2) 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 againest interferance 667 - 677

-Interferance 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 which

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

a matching devuce.

(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) Transmittors 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.