BTRC has started Issuing Amateur Radio Operator License for Individuals Who have passed the Computer Based test (CBT) by Commission (BTRC). Other then that, Individuals, who are interested to attend Computer Based Test for Amateur Radio Operator License are requested to complete the
Registration Process of Amateur Radio License Test on following Syllabus: 1. Regulatory Matters:The regulatory environment, The amateur radio license, who issues them, payment of fees Call signs, Power permitted, Emergency operation, Ciphers and secret codes.
2. FrequenciesFrequencies and bands allocated for amateur radio operating, Sharing of bands.
3. Electronics FundamentalsInsulators, conductors and semiconductors, Fields produced by currents and magnets.
Units of voltage, current, resistance, impedance, Types of cells.
4. Measurement UnitsUnits of voltage, current, resistance, impedance, power.
5. Ohm's LawCalculations involving voltage, current, resistance (using a single resistor).
6. ResistanceValues of resistors in series and parallel (using two resistors and more). Calculations involving resistor combinations, voltage, current, Internal resistance of cells.
7. Capacitors, Inductors, ResonanceVariation of capacitance with plate size, spacing, Dielectrics, Variation of inductance with diameter, length, number of turns (descriptive only), C and L in series and parallel, Impedance Transformers, turns ratios, voltage transformation.
8. SafetyBasic procedures for removing persons from live circuits, Action of a RCD (residual current device), fuse, Isolating transformer, Grounding, Color codes and names of mains wiring.
9. SemiconductorsBasic properties of semiconductor materials, Basic properties of diodes, Zener diodes, transistors. Recognition of electrode names of bi-polar transistors, FETs, valves.
10. Meters and MeasuringThe basic function of voltmeters, ammeters, SWR bridges, power meters, the impedances
they present to circuits, how they should be connected, Peak and RMS values.
11. Decibels, Amplification and AttenuationPower, voltage and current ratios expressed in dB, Gain in dB of systems connected in cascade.
12. An Amateur Radio StationHF Station Arrangement, Understanding the block diagram of a typical HF station,
showing how a transceiver is connected to a linear amplifier, low pass filter, SWR
bridge, antenna switch, antenna tuner, dummy load and antenna, The basic function of
each block, Meaning of "SSB", "CW", "FM".
13. Power suppliesCells. Mains input DC power supplies, Purpose of diodes, capacitors, transformers, Fullwave and halfwave rectification, ripple frequencies.
14. General Operating ProceduresStandard calling, answering, conversing procedures and conventions, Initiating and
terminating contacts, Callsign exchanges.
15. Q signalsCommon Q signals used in Amateur Radio communications.
16. AntennasLengths of dipoles, verticals, for different frequencies, Impedances, Feed point position Matching, Antenna bandwidth, Elements of a yagi antenna, direction of radiation, E an H fields around antennas, Polarization, Tuning antennas with inductance, Balloons, Dummy antenna. Isotropic antenna.
17. PropagationBasic phenomena in HF, VHF, UHF propagation, Layers which refract signals, D layer
absorption, Skip zones, hops, MUF, LUF, OWF, Solar cycle, Sky waves, ground waves.
Sporadic E, Great circle paths, radiation angles, Fading, Doppler caused by satellite motion.
18. Interference & filteringCauses and recognition of cross modulation, Unwanted harmonics, Definitions of low-pass, band-pass, band-reject, notch and high-pass filters, Using filters for interference reduction.
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Amateur Radio Operator License Process issued by Bangladesh Telecommunication Regulatory Commission (BTRC)Related Post:
Bangladesh Amateur Radio Operator License (HAM)