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.
Author: Administrator
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.
Ham College 103
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
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.
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.
Ham College 101
Ham College episode 101 is now available for download.
Extra exam questions 39.
E8A AC waveforms: sine, square, and irregular waveforms. AC measurements, average power and PEP of RF signals, Fourier analysis, analog to digital conversion: digital to analog conversion, advantages of digital communications.
AmateurLogic 181: George & Mike’s Excellent Adventure
AmateurLogic.TV Episode 181 is now available for download.
George & Mike cover the premiere Hamfest of the season, Hamvention 2023. Visits with friends and vendors. Plus some great new finds you may not be aware of. Hamvention is always a fun, entertaining event and this year was no different.
Ham College 100
Ham College episode 100 is now available for download.
Extra Class Exam Questions – Part 38
E7H Oscillators and signal sources: types of oscillators, synthesizers and phase-locked loops,
direct digital synthesizers, stabilizing thermal drift, microphonics, high-accuracy oscillators.
AmateurLogic 180: Cheap Old Geaux Baux
AmateurLogic.TV Episode 180 is now available for download.
Emile builds a Geaux Baux. Software for NanoVNA analyzers. Dual Band Satellite Yagi, The Sequel.