Ham College 108


Ham College episode 108 is now available for download.

Extra Class Exam Questions – Part 46
E9D Yagi antennas, parabolic reflectors, circular polarization, loading coils, top loading, feed point impedance of electrically short antennas, antenna Q, RF grounding.

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Ham College 105


Ham College episode 105 is now available for download.

Extra Class Exam Questions – Part 43
E9A Basic Antenna parameters: radiation resistance, gain, beamwidth, efficiency, effective radiated power.

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