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Amateur Extra Class: 2020–2024
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Sections
E1: Commission's Rules
E2: Operating Procedures
E3: Radio Wave Propagation
E4: Amateur Practices
E5: Electrical Principles
E6: Circuit Components
E7: Practical Circuits
E8: Signals and Emissions
E9: Antennas and Transmission Lines
E0: Safety
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Element 4
E8
E8C
E8C01
E8C01:
How is Forward Error Correction implemented?
By the receiving station repeating each block of three data characters
By transmitting a special algorithm to the receiving station along with the data characters
By transmitting extra data that may be used to detect and correct transmission errors
By varying the frequency shift of the transmitted signal according to a predefined algorithm
E8C01
E8C02
E8C03
E8C04
E8C05
E8C06
E8C07
E8C08
E8C09
E8C10
E8C11
E8C12