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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AmateurLogic 185: Unwrapping The Layers of an Unun


AmateurLogic.TV Episode 185 is now available for download.

Mike exposes an Unun. Tommy renews his FCC License step by step. Emile hits the Pi Bullseye. Announcing our 18th Anniversary Contest with an Icom IC-705 and a package of great accessories from MFJ.
Contest details are available at https://amateurlogic.tv/contest

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Ham College 104


Ham College episode 104 is now available for download.

Extra Class Exam Questions – Part 42
E8D Keying defects and overmodulation of digital signals, digital codes, spread spectrum.

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YouTube

AmateurLogic 184: Huntsville Hamfest 2023 & Emile’s Adventures in Space


AmateurLogic.TV Episode 184 is now available for download.

Visits with friends at Huntsville Hamfest 2023. Plus Emile’s adventures at the U.S. Space & Rocket Center.

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YouTube

Ham College 103


Ham College episode 103 is now available for download.

Extra Class Exam Questions – Part 41
E8C Digital signals: digital communication modes, information rate vs. bandwidth,
error correction.

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YouTube

AmateurLogic 183: Field Day & Friedrichshafen


AmateurLogic.TV Episode 183 is now available for download.

W5AXC and W5SLA Field Day Events.
JPC-12 40-6 Meter Vertical Antenna.
Friedrichshafen 2023

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YouTube

Ham College 102


Ham College episode 102 is now available for download.

Extra Class Exam Questions – Part 40
E8B Modulation and demodulation: modulation methods, modulation index and deviation ratio, frequency and time division multiplexing, Orthogonal Frequency Division Multiplexing and balanced modulators, detectors, mixer stages.

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YouTube

AmateurLogic 182: Cheap Tricks for Field Day


AmateurLogic.TV Episode 182 is now available for download.

Tips and tricks for a cheap old field day. Bluetti EB3A Portable Power Station. Building a high quality 1:1 balun.

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YouTube