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.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 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.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 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.TV Episode 180 is now available for download.
Emile builds a Geaux Baux. Software for NanoVNA analyzers. Dual Band Satellite Yagi, The Sequel.
AmateurLogic.TV Episode 179 is now available for download.
George takes to the swamp for a 50 Kilowatt ‘Tales From The Transmitter Site’. Tommy explores BlueDV OTG. Mike builds a dual band Yagi for working the satellites.
AmateurLogic.TV Episode 178 is now available for download.
Easily and cheaply control relays over a USB port. Nano VNA explorations. Brutal Winter Field Day rearview mirror edition.