Ham College 110


Ham College episode 110 is now available for download.

Extra Class Exam Questions – Part 48
E9F Transmission lines: characteristics of open and shorted feed lines, coax versus open-wire, velocity factor, electrical length, coaxial cable dielectrics.

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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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